Exposure
ID
GRAVI.2023-12-09T07:06:26.438_1
Header ID
GRAVI.2023-12-09T07:06:26.438
Date updated
2023-12-09 07:20:41 UTC+0000
Release date
2023-12-09 07:06:26 UTC+0000
UTC Start
2023-12-09 07:06:26.438
UTC End
2023-12-09 07:10:26.438
MJD Start
60287.29613933
MJD End
60287.29891710778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.00676
Ambient temperature (°C)
17.34
Seeing (arcsec)
0.495
Observation
ID
57877
Category
calibrator
Program ID
112.25QQ.001
Program Title
A HIGH MULTIPLICITY STUDY OF NEARBY M>2.2 MSUN STARS: ARE THEY THE PROGENITORS OF EVERY EXPLODING WD?
Program Type
Normal
PI / COI
WAISBERG/ KATZ/ KLEIN
Target
ID
42876
Name
HD98858
RA
170.523518
DEC
-54.16831
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 15.9240 16.1290 104.3000 105.0000
A0-D0 30.8590 30.8980 24.8000 25.8000
A0-C1 16.0640 16.2210 65.3320 66.4460
B2-D0 32.0410 32.0500 355.6000 356.2000
B2-C1 10.6710 10.6740 355.5350 356.1840
D0-C1 21.3700 21.3760 175.5800 176.2290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25QQ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60287.29613933
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 98858
HIERARCH ESO INS SOBJ NAME HD98858
RA 170.523518
DEC -54.16831
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 15.924
HIERARCH ESO ISS PBL12 END 16.129
HIERARCH ESO ISS PBLA12 START 104.3
HIERARCH ESO ISS PBLA12 END 105.0
HIERARCH ESO ISS PBL13 START 30.859
HIERARCH ESO ISS PBL13 END 30.898
HIERARCH ESO ISS PBLA13 START 24.8
HIERARCH ESO ISS PBLA13 END 25.8
HIERARCH ESO ISS PBL14 START 16.064
HIERARCH ESO ISS PBL14 END 16.221
HIERARCH ESO ISS PBLA14 START 65.332
HIERARCH ESO ISS PBLA14 END 66.446
HIERARCH ESO ISS PBL23 START 32.041
HIERARCH ESO ISS PBL23 END 32.05
HIERARCH ESO ISS PBLA23 START 355.6
HIERARCH ESO ISS PBLA23 END 356.2
HIERARCH ESO ISS PBL24 START 10.671
HIERARCH ESO ISS PBL24 END 10.674
HIERARCH ESO ISS PBLA24 START 355.535
HIERARCH ESO ISS PBLA24 END 356.184
HIERARCH ESO ISS PBL34 START 21.37
HIERARCH ESO ISS PBL34 END 21.376
HIERARCH ESO ISS PBLA34 START 175.58
HIERARCH ESO ISS PBLA34 END 176.229
HIERARCH ESO ISS AMBI TAU0 START 0.005846
HIERARCH ESO ISS AMBI TAU0 END 0.007674
HIERARCH ESO ISS AMBI TEMP 17.34
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.47