Targets for April 2012

Most recent candidates (for the last sub-run)

Candidate z mu t_expl(JD) M mag_last score SN mag LC notes link status classification

PSNJ05573917-5158201 0.029 35.3 <2456047 -16.7 18.7 1 + + - the galaxy SO 205- G 011 hosted SN 2000fb; no map available [[1]] SSS120429:053858-475836 0.034 35.7 <2456047 -19.2 16.7 0 + ++ - host late spiral galaxy ESO 204-G 027 (M~-20.2) [[2]] SSS120426:081632-063524 ? ? <2456044 ? 19.2 4 - - - hostless transient [[3]] LSQ12ces ? ? <2456041 ? 20.2 0 + - - likely SN [[4]] LSQ12cbp ? ? <2456015 ? 19.0 1 + + + caught young, nice SN I LC, slightly past max now [[5]] LSQ12cbh 0.05ph 36.6 <2456036 -16.7 19.9 3 - - - host M=-17.7, nuclear; fading? repeated variability -> AGN?! [[6]] LSQ12cbg 0.14ph 38.8 <2456036 -19.1 19.7 0 + - - not exactly nuclear, host M=-19.7 [[7]] LSQ12cau ???? ???? <2456026 ???? 18.8 4 ? + - hostless [[8]] LSQ12cal ???? ???? <2455997 ???? 17.8 6 ? ++ - hostless; slow rise [[9]] SSS120424:111404-455104 ???? ???? <2456042 ???? 18.3 -1 - + - hostless or (probably) CV; lightcurve is probably fading [[10]] MLS120424:100742+104337 0.072ph 37.4 <2456042 -18.2 19.35 0 + - - likely association to a z=0.07 galaxy rather than a z=0.4 galaxy [[11]] CSS120424:140216-112108 0.036 35.9 <2456042 -17.7 18.3 0 + + - transient likely in an arm of a face-on spiral galaxy [[12]] CSS120423:092427+100309 ???? ???? <2456041 ???? 19.4 4 - - - hostless or CV [[13]] PS1-12agx 0.16ph 39.1: <2455984 -19.5: 19.8r 4 - - - faint host (M_r~-17.2); clear offset SN-galaxy core; 2 months old! [[14]] PS1-12agv 0.18ph 39.4: <2456034 -20.0: 19.8g 4 - - - faint red host (M_g~-15.6; Mr~-17.8); offset SN-host gal. nucleus [[15]] PS1-12afu 0.22ph 39.8: <2456033 -19.9: 19.8g 3 - - - faint host (M_g~-17); possible AGN [[16]] MASTER111738.66+085519.6 0.68:ph 42.2: <2456034 ???? 18.2 0 - + - photo-z non plausible; unconfirmed (according to Brimacombe) [[17]] PS1-12adx 0.033ph 35.7 <2455919 -16.1 19.6 4 + - - possible type IIP SN in a faint galaxy (M_r=-14.6) [[18]] CSS120421:085111+032751 ???? ???? <2456039 ???? 18.9 4 - + - hostless [[19]]

Low-priority candidates (unlikely they are SNe or very faint)

LSQ12ccy 0.12ph 38.5 <2456018 -18.6 19.9 0 - - - poor subtractions, not exactly nuclear, weird LC, host M=-19.8 [[20]] LSQ12cbz 0.014 34.2 <2456005 -16.4 17.8 2 - ++ + slow rise (>35d), interact. Sy gal., nucl. (classified as AGN by NED?!), host M=-20.1 [[21]] LSQ12cak 0.035 35.8 <2456036 -17.8 20.3 5 ? - - faint target and faint host. [[22]] LSQ12cah ???? ???? <2456035 ???? ???? 4 - - - young at discovery, fast decline, variable star? [[23]] LSQ12car ???? ???? <2456032 ???? 17.8 -1 ? ++ + radio source; nuclear, AGN? Lick spectrum, featureless, blue [[24]] - observed at Keck; classification not clarified

Candidates discovered before 19/4

Candidate z mu t_expl(JD) M mag_last score SN mag LC notes link status classification LSQ12bzt 0.122 38.6 <2456034 -19.2 19.8 -1 - - - in the nucleus of early (M~-22) galaxy (SN Ia or AGN) [[25]] LSQ12bzr ???? ???? <2456034 ???? 19.5 0 - - - variable star? [[26]] LSQ12bzp ???? ???? <2456036 ???? 19.8 0 - - - light curve with some scatter [[27]] LSQ12bzk ???? ???? <2456016 ???? 19.5 ? ? - + past max; probably a type Ia SN [[28]] CSS120416:120240-095738 ???? ???? <2456034 ???? 18.0 0 + + - [[29]] PS1-12adr 0.099ph 38.1 <2456027 -18.4 19.6 4 + - - z=0.099 => faint host; if z=0.46 bright SN (-21.8) [[30]] LSQ12byb 0.099ph 38.1 <2456033 -18.7 19.6 -1 - - - close to the nucleus [[31]] CSS120415:132442+125641 0.056ph 36.8 <2456033 <-17.6 19.2 -1 - - - possibly an AGN, although quite faint [[32]] CSS120415:110518-083453 ???? ???? <2456001 ???? 18.6 0 + + - likely a SN [[33]] PS1-12yr 0.27ph 40.2 <2456018 <-20.8g 19.7i 0 + - - host galaxy M(r)=-19.6, (g-r)=0.3; (g-r)(transient)=-0.3 [[34]] LSQ12bua 0.049 36.5 <2456026 <-17 19.7 0 - - - M(g_host)=-19.6; spiral host. [[35]] - in queue at gemini N LSQ12bsn ????? ???? ~2455994 ???? 17.8 -1 - ++ + probably a variable star; now rapidly declining (peak mag <12.7) [[36]]

Bright unclassified candidates discovered before 7/4

Candidate z mu t_expl(JD) M mag_last score SN mag LC notes link LSQ12bpq ????? ???? 2456014 ???? 19.6 -1/0 - - - rise 1m/4days; nuclear; past-max CSS120419:150732+203260 [[37]] LSQ12bpn ????? ???? <<2456015 ???? 19.9 0 + - - no info on the host; plateau LC [[38]] LSQ12bot 0.071 37.4 <2456017 -19.6peak 18.5 4 - + + spiral, nucleus DM=1/day(IIP?),luminous. [[39]] LSQ12bmq 0.051 36.6 2456013 <-19.1 17.5 1 + ++ + face-on spiral; SN in a an arm? rise time ~ 0.4mag/day, premax [[40]] LSQ12bmp 0.10ph 38.2 2456006 -18.9peak 19.3 1 + - + host M~-18; around max; SN Ia around max? [[41]] LSQ12bmd ?????? ???? 2456006 ???? 19.3 0 - - + after max; type I SN or variable galactic star [[42]] LSQ12bmb ?????? ???? 2456010 ???? 18.9 4 + + hostless! [[43]] CSS120330:101639-064636 ?????? ???? <2456016 ???? 17.6 0 - + - declining; 1 detection at mag 17.1 [[44]] LSQ12ble 0.084ph 37.7 <2456002 -19.1peak 19.1 1 + - - host galaxy M=-21; possibly in a galaxy cluster. probably SN Ia [[45]] LSQ12bhx 0.025 35.1 2456009 -19.4/-19.9 16.2 1 + ++ + after max. nice spiral edge on. [[46]] LSQ12bey 0.080 37.6 ???? -18.7 19.0 0 - + possible rising Ia [[47]] CSS120328:152302+071141 ????? ???? <2456004 ???? 18.4 0 + + - very blue host galaxy, after max [[48]] CSS120328:122417+185529 0.02ph 34.7 <2456009 <-17.2 17.9 4 + + - faint blue host (~-15.2); past max (mag on 28/3 17.5) [[49]]

############## # criteria: # SN "+" means good feeling it's a real SN; "-" it can be a Galactic star, an AGN, a false detection… # mag "++" means m < 18; "+" means 18 < m < 19; "-" means m > 19 # LC "+" means good light curve coverage and/or explosion constraints. ############## # LSQ12brd ALREADY CLASSIFIED! [[50]] # LSQ12bqt, LSQ12bqx red stars (?) according to sdss # LSQ12bqe blue, isolated star according to sdss # LSQ12bnm red star (?) according to sdss # LSQ12bnj very blue star (?) according to sdss # LSQ12bko blue, isolated star according to sdss # LSQ12bkn blue, isolated star according to sdss # LSQ12bjs very bright (m~16), very likely variable star ############## old PS1/CSS/LSQ candidates (declined below mag 20) # PS1-12wh 0.16ph 39.1 <<2456008 -19.2 19.9 4 + - - faint host (R~-17.1; G~-16); remote/hostless; detection mag~19.9 [[51]] - NB: in queue at WHT # PS1-12we 0.02ph 34.7 <<2456008 -16.7 18.0 4 + + - 1 multiband detection- faint blue host (m~-15.4); mag ~18 (sn+gal) [[52]] - NB: in queue at INT # PS1-12qj 0.19ph 39.5 <<2455984 -19.6 19.9 3 + - - faint host galaxy (G~-16.5; R~-17.6); single detection [[53]] # LSQ12bjx ????? ???? 2456001 ???? 20.1 0 + - + well past-max; SN Ia? [[54]] # LSQ12bjn 0.122 38.5 2455998 ~19.6peak 20.2 0 + - + about 20d after max [[55]] # LSQ12bma ?????? ???? 2456000 ???? 20.1 1 + - + several days postmax; SNIa? [[56]] # PS1-12adv 0.45ph 41.3 <2455970 -21.3 20.0r 4 + - + superbright SN or QSO? plateau LC. offset from the galaxy centre [[57]] # PS1-12yp 0.58ph 41.9 <2456006 <-22g 20.0i 0 + - + host of M(r) = -20.7 (g-r)=1.4; IIP-like light curve (g-r)sn=-0.2 [[58]] # CSS120327:141750+052004 0.11ph 38.3 <2456004 <-19.3 20.0 4 + - - faint host (~-16); declining; probably a SN Ia [[59]] ############## objects in the original list classified by others # LSQ12blp 0.074 37.4 2456011 <-19.2 18.2 2 + + + host M~-21; expl.epoch well constrained; probably Ia [[60]] - classified by M.Stritzinger at NOT # SNhunt121 0.007 32.2 <2456031 ~-15.0 17.5 5 + ++ - E/S0 host, remote and faint object; pastmax (pecular type Ic) [[61]] - classified by NTT-ELP # SSS120411:105223-355943 ???? ???? <2456029 ???? 18.7 4 + + - hostless or remote [[62]] - classified by Morrell et al. # CSS120411:114429+070346 0.051 36.6 <2456028 -19.5 17.1 0 + ++ - nice face-on galaxy of M(r)=-21.6; SN (Ia?) in an arm [[63]] - classified as type Ia at Asiago by Tomasella et al. ################################################

PESSTO OBSERVATION & CLASSIFICATIONS Candidate z mu t_expl(JD) M mag_last score SN mag LC notes link status classification LSQ12cbu ? ? <2456023 ? 19.5 0 - - - possibly variable star in rich field, fading (1 mag in 15d) [[64]] observed not visible CSS120421:135954+263914 ???? ???? <2456034 ???? 19.9 4 - - - hostless or CV; luminosity is fading! close to a SDSS star [[65]] observed not visible PS1-12agm 0.21ph 39.7: <2456034 -19.8: 19.7g 7 - - - faint host (M_g~-16.8); possible AGN, transient in remote location [[66]] observed not visible LSQ12cay ???? ???? <2456037 ???? >19.2 -1 - - - possible stellar flare [[67]] observed galaxy spectrum LSQ12ccc ???? ???? <2456036 ???? 19.4 4 + - - hostless [[68]] observed Ia/91T-like CSS120420:133640-215116 ???? ???? <2456038 ???? 19.4? 4 - - - hostless or remote [[69]] observed Ia MASTER134201.21-023856.2 0.076ph 37.5 <2456039 -18.2 19.4 4 + - - faint spiral host (M_r~17.3) [[70]] observed II? MLS120429:134155-143539 ???? ???? <2456047 ???? 19.7 0 + - - a faint glaxy is visible in DSS images [[71]] observed Ia MLS120429:133606-113718 0.074 37.4 <2456047 -18.3 19.2 0 + - - the host is apparently an elliptical galaxy [[72]] observed Ia/91T-like LSQ12cda 0.138 38.9 <2456038 -19.2 19.7 2 + - - by eye quite remote, host M=-21.6 [[73]] observed Ia LSQ12cdl ? ? <2456033 ? 19.0 0 + + - likely SN, rising?! [[74]] observed Ia LSQ12ccx ? ? <2456013 ? 20.1 5 + - + hostless, nice LC, caught early, past max now [[75]] observed Ia LSQ12cbn 0.194 39.6 <2456036 -19.7 19.9 4 + - - fairly remote by eye, luminous, host M=-21.3 [[76]] observed Ia/06gz-like LSQ12cbv ? ? <2456023 ? 16.8 0 - ++ + very likely variable star in rich field, linear rise over 20-30d [[77]] observed variable star PSNJ18410706-4147374 0.019 34.5 <245604X -20.2 14.5 4 + ++ - nearby, face-on spiral - possible nearby very bright SN [[78]] observed IIn/97cy-like PSNJ20522510-0546156 0.020 34.6 <2456039 -17.0 17.8 0 + ++ - nearby face-on host galaxy; CHASE discovery [[79]]

observed II CSS120424:151613-095504 ???? ???? <2456034 ???? 19.4 4 - - - hostless? [[80]] observed Ia CSS120421:143501-071918 ???? ???? <2456033 ???? 19.4 4 + - + apparently faint host [[81]] observed IIP LSQ12ccc ? ? <2456035 ? 19.4 4 + - - hostless, rising? [[82]] observed SN? PS1-12agr 0.20ph 39.6: <2456034 -19.9: 19.6r 4 - - - faint host (M_g~-16.1; Mr~-17.6) [[83]] observed galaxy spec? LSQ12cca ? ? <2456033 ? 19.2 0 + - - relatively flat LC [[84]] observed Ia LSQ12cbo 0.124 38.7 <2456036 -19.3 19.4 0 + - - likely Ia at max, host M=-20.8 [[85]] observed Ia LSQ12cby ? ? <2456037 ? 18.6 0 + + - likely SN, rising! [[86]] observed Ia LSQ12cer 0.024 35.2 <2456041 -17.7 17.8 0 + ++ - clear case of a nice SN (just not very special), host M=-19.2 [[87]] observed II (young) CSS120415:170341-063047 ???? ???? <2456033 ???? 18.0 0 - + - galactic transient or SN [[88]] observed nothing LSQ12brm ????? ???? <2456024 ???? 18.2 4 + + - hostless SN? CV? [[89]] observed nothing LSQ12caa ???? ???? <2456032 ???? ~19.6 4 - - - hostless; light curve seems quite erratic [[90]] observed nothing MASTER114525.38+212019.8 0.43?ph 41.2? <2456033 -22.4? 18.8 8? + + - hostless or remote [[91]] observed nothing LSQ12bqo ????? ???? <5456012 ???? 19.8 0 + - - rise ~1mag/10d [[92]] observed galaxy (z~0.153) PS1-12ym 0.060 37.0 <<2456007 -18.7 18.3r 4 ? + - faint galaxy M(g_host)=-16.4; M(r_host)=-17.3; IIp-like light curve [[93]] observed galaxy LSQ12bue ???? ???? <2456032 ???? 19.3 0 + - - possibly nuclear? [[94]] observed galaxy CSS120418:125049+222228 0.053ph 36.7 <2456031 -18.4 18.3 5 + + - faint, blue host (M_r ~ -17.3) [[95]] observed Ia SSS120420:204522-504405 0.016 34.2 <2456038 -17.0 17.2 2 + ++ - fairly remote location [[96]] observed Ia CSS120415:170824+030104 ???? ???? <2456033 ???? 18.5 0 ? + - galactic transient or SN [[97]] observed Ia LSQ12caf ???? ???? <2456033 ???? 19.5 4 + - + hostless; soon past max; probably SN Ia [[98]] observed Ia/91T-like LSQ12bjw 0.07ph 37.3 <2456004 <-18.9 18.4 1 + + + host,red galaxy system? pre-max LC; rise time 1mag/10d; SN Ia? [[99]] observed Ia LSQ12bjm 0.052 36.7 <2455993 -20.2peak 18.0 3 - + - AGN? luminous (m_peak~16.5), but declining; decline 0.6-0.7mag/10d [[100]] observed Ia/91T-like LSQ12bqd 0.042 36.2 <2455982 -17.2 18.9 1 + ++ + galaxy M~-20.7; cnuclear SN, AGN? very slow rise (2mag/40d) [[101]] observed IIn LSQ12bpc 0.046 36.4 <2456010 -17.7peak 18.7 0 + + + nice spiral [[102]] observed Ia/91bg-like CSS120419:143825+175814 0.11ph 38.3 <2456037 <-18 <20.3 5 + - - faint, red host M_g~-15.4; M_r~16.3; probably young [[103]] observed Ia/91T-like LSQ12bov 0.060 37.0 2456017 <-18.5 18.5 0 + - + spiral; premax [[104]] observed Ia CSS120416:131835+213833 ???? ???? <2456034 ???? 19.7 4 ? - - region with several red sources; CV? [[105]] observed IIP LSQ12bnb 0.08ph 37.5 ~2456010 <-19.2 18.3 2 + + + host M~-18 probably Ia, still rising [[106]] observed Ia LSQ12bxw ???? ???? ~2456013 ???? 18.1 1 + + + likely type Ia SN; still rising [[107]] observed Ia LSQ12bqn ????? ???? <2455998 ???? 19.3 1 - - - slow rise > 28d; 0.5 mag/10d [[108]] observed Ic? CSS120418:113531+054254 ???? ???? <2456029 ???? 19.1 5 ? - - hostless; raising LC transient [[109]] observed Ia LSQ12bzz 0.068 37.2 <2456033 -17.6 19.7 1 + - + fast rising SN (young type II?) in a spiral galaxy of M~-18 [[110]] observed Ia/91T-like CSS120416:091631+075020 0.25ph 40.1 ~2455983? -21.1 19.0 4 - + - probably quite old [[111]] observed Ia MASTER111440.10+103905.2 0.37?ph 40.9? <2456033 -22.1? 18.8 8? + + - uncertain photo-z [[112]] not visible (m>22) PS1-12yo 0.61?ph 42.0? <2456015 -22? 19.9 4 + - - near a red background galaxy; parentship & z uncertain! (g-r)sn=0.3 [[113]] not visible (m>22) SSS120416:211543-192250 0.041 36.2 <2456034 -19.1r 17.2 4 + ++ - likely SN Ia in a S0 host; remote position (30kpc) [[114]] observed Ia LSQ12bxp ???? ???? ~2456020 ???? 18.8 6 + + + possibly declining; apparently hostless [[115]] observed Ia LSQ12bzs ???? ???? ~2456015 ???? 19.0 0 + - + rising light curve [[116]] observed Ia LSQ12byi ???? ???? >2456020 ???? 18.7 5 + - - hostless, fast-rising transient; young! [[117]] observed Ia LSQ12bxv ???? ???? >2456020 ???? 19.2 0 + - - probably before maximum [[118]] observed Ia LSQ12bxu 0.050ph 36.6 ~2456011 -17.0 19.6 5 + - + faint host galaxy (M_R~-15.9); SN soon after max; type I [[119]] observed Ia LSQ12byu 0.35ph? 40.8? <2456033 -20.7? 20.2 4 + - - rising; could also be in another galaxy at z=0.05 [[120]] observed Ia-pec LSQ12bmn 0.04ph 36.0 2456000 -17.9peak 18.1 2 + + + host M~-16.9; ~20d rise time; at max; Ia/b/c; expl. epoch OK [[121]] observed Ia LSQ12bve 0.36ph 40.9 2456009 -22.5 18.8 5 + + + probably post-maximum [[122]] observed Ia LSQ12blb 0.051 36.6 <<2456013 -18.6peak 17.8 0 + ++ - host spiral M~-21.2; SN around max? [[123]] observed IIP LSQ12bvl ???? ???? <2456024 ???? 18.1 0 + + + rising? [[124]] observed Ia CSS120413:132702-014513 0.076ph 37.5 <2456031 <-18.9 18.6 4 + + - faint (M_r~-16.9) blue host galaxy [[125]] observed Ia CSS120419:150732+203260 0.022ph 34.8 <2456015 -16.3 18.5 4 + + - very faint (M_g=-14.4) and nearby (90Mpc) host [[126]] observed Ia LSQ12bsx ????? ???? <<2456025 ???? 18.1 4 ? + - apparently hostless or remote location; rising luminosity [[127]] not visible, spec. of a nearby source LSQ12btw 0.058 36.9 ~2456011 ~-17.7 19.2 1 + - + M(g_host)=-19.2; spiral host, transient near the nucleus [[128]] observed Ibn LSQ12btv 0.073 37.4 <2456014? <-18.0 19.4 -1 - - + M(g_host)=-19.4; spiral host, transient in the nucleus [[129]] observed galaxy LSQ12btn 0.054 36.7 <2456020 <-18.1 18.7 0 + + - M(g_host)=-20.9; face-on spiral host; pre-max [[130]] observed Ia LSQ12btf ????? ???? <2455992? ???? 18.1 -1 - + + in the nucleus of a nice spiral [[131]] observed galaxy LSQ12bry ????? ???? <2456020 ???? 17.2 4 - ++ - hostless (?) or Galactic variable [[132]] observed IIn LSQ12brx 0.054 36.7 <2455987 -19.1 17.8 -1 - ++ - spiral host (M~-20.2); in the nucleus [[133]] observed Ia LSQ12brw 0.039 36.0 <<2456020 <-18.8 17.6 1 + ++ - group of galaxies; M~-20.5; transient LC post-max [[134]] observed Ia LSQ12brs 0.069 37.3 ~2456002 -19.7peak 17.7 3 + ++ + compact host M~-22.3? Maybe bright SN Ia [[135]] observed Ia LSQ12bri ????? ???? >2456015 ???? 17.2 1 - ++ + suspect CV - a NIR spectrum does not allow reliable classification [[136]] observed II LSQ12brb 0.083 37.7 2456011 -19.8 18.2 2 + + + normal spiral edge on; SN past max [[137]] observed Ia LSQ12bql 0.023 34.9 ????? -15.7 19.2 3 - - - SN in the nucleus of a spiral with M~-17.4; rising [[138]] observed galaxy LSQ12bpy ????? ???? 2456013 ???? 18.6 4 + - + hostless or CV? [[139]] observed Ia LSQ12bpr ????? ???? <2456012 ???? 19.4 4 + - - remote?, interacting gal. system; [[140]] observed Ia LSQ12bph ????? ???? 2456006? ???? 19.4 4 - - + rise 0.1mag/day; possibly hostless but many red stars in the field [[141]] observed Ic/02ap-like LSQ12bpg 0.022ph 34.8 2456010 <-16.6 18.2 5 + + + dwarf host -14.4; rise time ~0.3mag/day [[142]] observed Ia LSQ12bnt 0.03ph 35.25 2456004 -15.4peak 19.6 5 + - + dwarf faint host M=-15, nice LC, around max but discovered young [[143]] observed Ia LSQ12bkt 0.31ph 40.5 2456006 -22.3peak 18.7 5 + - - host -18.9; past-max; luminous & fast evolving? [[144]] not visible LSQ12biv ????? ???? ~2455993 ???? 18.3 5 - + + hostless; variable star? extremely fast LC rise, decline 1mag/10d [[145]] not visible LSQ12biu 0.35ph 40.8 2455979 -22.2 18.6 6 + + + very bright host (-23.4); very slow rise-time? SN around max. [[146]] observed IIn LSQ12ayr 0.12ph 38.6 <<2455978 -20.2peak 18.7 6 + + + ~50d risetime!!! candidate superbright! KECK spectrum;unclassified [[147]] observed SN? SNhunt119 0.025 35.05 <2456009 -18.5 16.5 -5 + ++ - rising? short visibility window. (see bright SN page) [[148]] observed II LSQ12bgl ????? ???? <2455998 ???? 18.5 0 + + + soon after max; probably SN Ia [[149]] observed Ia LSQ12bia ????? ???? <2455998 ???? 17.3 0 + + + still rising, but around max (mag~17.3); rise time ~1 month. [[150]] observed Ia LSQ12bpo 0.09ph 37.9 2456013 <-18.6 19.3 2 + - + host ~-18; remote?; rise 0.8m/10d [[151]] observed Ia