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VizieR

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J/ApJ/745/74/table1 Pre-maximum spectra of type Ia SNe (Folatelli+, 2012)
Sample of SNe Ia (53 rows)
  recno=46
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200002 45 10.4000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-04 42 49.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195002 42 40.3372 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-04 55 25.924 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon178.4035070 deg Galactic longitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-54.8304297 deg Galactic latitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
46recno 46  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SN2009I  (i) SN name (YYYYaa) (linked to all the data for this SN (tables 1 and 2)) (meta.id;meta.main)

o_SN 2  Number of spectra in table2 (meta.number)

Ep1 -5.1 d [-11.9,0.3] Epoch of the first spectroscopic observation relative to B-band maximum light (time.epoch)
C2F  CII detection type (Note G1)   (src.class)
Bmag18.247 mag [12.241,18.447] B-band magnitude (Note 1)   (phot.mag;em.opt.B)
e_Bmag 0.081 mag [0.005,0.096] Bmag uncertainty (stat.error;phot.mag;em.opt.B)
B-Vmax 0.702 mag [-0.157,1.196] Maximum B-V color index (Note 2)   (phot.color;em.opt.B;em.opt.V)
e_B-Vmax 0.115 mag [0.008,0.136] B-Vmax uncertainty (stat.error;phot.color;em.opt.B)
Dm15 1.14 mag [0.59,1.97] observed decline rate Δm15(B) (src.var.amplitude)
e_Dm15 0.16 mag [0.01,0.3] Dm15 uncertainty (stat.error)
E(B-V) 0.713 mag [-0.147,1.21] host galaxy B-V color excess (phot.color.excess)
e_E(B-V) 0.125 mag [0.051,0.145] E(B-V) uncertainty (stat.error)
n_E(B-V)    [Y/ ] Low reddening sample? (Note 3)   (meta.note)
zhelio 0.02617   [0.00488,0.07943] NED heliocentric redshift (src.redshift)
BMag-16.92 mag [-19.68,-15.69] B-band absolute peak magnitude (phot.mag;em.opt.B;stat.max)
e_BMag 0.12 mag [0.05,0.22] BMag uncertainty (stat.error;phot.mag;em.opt.B)
DBMag 0.22 mag [-0.61,0.75] B-band Hubble residual (Note 4)   (stat.fit.residual)
e_DBMag 0.36 mag [0.06,0.41] DBMag uncertainty (stat.error;phot.mag)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
_RA041.29333 deg (i) Positions from SIMBAD database (right ascension part) (pos.eq.ra;meta.main)
_DE-04.71372 deg (i) Positions from SIMBAD database (declination part) (pos.eq.dec;meta.main)
  
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