VizieR

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VizieR

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IX/25/ipcihut Einstein Observatory IPC Parameters (HEAO-2, 1978-1981)
Component Huts for IPC Sequences (13265 rows)
  recno=10210
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ColumnValue  Explain   (UCD)
_RAJ200012 34 27.37 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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+02 11 10.3 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195012 31 54.00 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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+02 27 42.0 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon292.95326 deg Galactic longitude (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+64.72841 deg Galactic latitude (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)
10210recno 10210  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

IPCseq 9134  IPC Sequence Number (Note 1)   (meta.id;meta.main)
fieldno 1  IPC hut number relative to field (Note 1)   (meta.id)
MinFno164604027  Minor frame number (Note 2)   (obs.field)
MajFno1285968  Absolute hut number (minor frame / 128) (Note 2)   (obs.field)
RAB195012 31 54 "h:m:s" (i) Right Ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+02 27 42 "d:m:s" (i) Declination (B1950) (pos.eq.dec;meta.main)
hutroll 1.190 rad Hut - nominal roll angle (Note 3)   (instr.param)
aspyoff 5.787  Aspect Y offset in pixels (Note 4)   (instr.saturation)
aspzoff 15.749  Aspect Z offset in pixels (Note 4)   (instr.saturation)
asprot-1.0893e-03 rad Aspect rotation (Note 4)   (instr.saturation)
livetime1895.549 s Livetime (Note 5)   (time.duration;obs.exposure)
avgbal15.59  Time-averaged BAL (Note 6)   (phot.flux.density;em.IR.4-8um)
ustartim 4.0523413e+10 us Start time (Note 7)   (time.epoch)
astartday 926  Absolute start day (offset from 1978.0) (Note 7)   (time.epoch)
start1980-07-14 "Y:M:D" Start year (Note 8)   (time.start)
starttime40523412 ms Start time (Note 8)   (time.epoch)
stop1980-07-14 "Y:M:D" Stop year (Note 8)   (time.end)
stoptime42530452 ms Stop time (Note 8)   (time.epoch)

_RA.icrs12 34 27 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+02 11 10 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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