Exposure
ID
GRAVI.2025-12-14T08:42:19.394_1
Header ID
GRAVI.2025-12-14T08:42:19.394
Date updated
2025-12-14 08:56:01 UTC+0000
Release date
2026-12-14 08:56:01 UTC+0000
UTC Start
2025-12-14 08:42:19.394
UTC End
2025-12-14 08:47:39.394
MJD Start
61023.36272447
MJD End
61023.3664281737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.001205
Ambient temperature (°C)
11.8
Seeing (arcsec)
2.28
Observation
ID
72280
Category
science
Program ID
116.28SD.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53685
Name
HD_52703
RA
105.204714
DEC
-33.46507
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.3890 83.9530 140.3000 141.4000
A0-J2 111.8060 110.5860 116.5000 117.6000
A0-K0 106.0670 104.5560 91.0970 91.9070
G1-J2 48.5790 47.9350 71.9000 72.4000
G1-K0 81.6940 81.1680 39.6600 40.0060
J2-K0 48.1720 48.1530 7.1090 7.7290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61023.36272447
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 52703
HIERARCH ESO INS SOBJ NAME HD_52703
RA 105.204714
DEC -33.46507
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 84.389
HIERARCH ESO ISS PBL12 END 83.953
HIERARCH ESO ISS PBLA12 START 140.3
HIERARCH ESO ISS PBLA12 END 141.4
HIERARCH ESO ISS PBL13 START 111.806
HIERARCH ESO ISS PBL13 END 110.586
HIERARCH ESO ISS PBLA13 START 116.5
HIERARCH ESO ISS PBLA13 END 117.6
HIERARCH ESO ISS PBL14 START 106.067
HIERARCH ESO ISS PBL14 END 104.556
HIERARCH ESO ISS PBLA14 START 91.097
HIERARCH ESO ISS PBLA14 END 91.907
HIERARCH ESO ISS PBL23 START 48.579
HIERARCH ESO ISS PBL23 END 47.935
HIERARCH ESO ISS PBLA23 START 71.9
HIERARCH ESO ISS PBLA23 END 72.4
HIERARCH ESO ISS PBL24 START 81.694
HIERARCH ESO ISS PBL24 END 81.168
HIERARCH ESO ISS PBLA24 START 39.66
HIERARCH ESO ISS PBLA24 END 40.006
HIERARCH ESO ISS PBL34 START 48.172
HIERARCH ESO ISS PBL34 END 48.153
HIERARCH ESO ISS PBLA34 START 7.109
HIERARCH ESO ISS PBLA34 END 7.729
HIERARCH ESO ISS AMBI TAU0 START 0.001205
HIERARCH ESO ISS AMBI TAU0 END 0.001205
HIERARCH ESO ISS AMBI TEMP 11.8
HIERARCH ESO ISS AMBI FWHM START 2.28
HIERARCH ESO ISS AMBI FWHM END 2.28