Exposure
ID
GRAVI.2025-11-30T06:03:05.809_1
Header ID
GRAVI.2025-11-30T06:03:05.809
Date updated
2025-11-30 06:16:12 UTC+0000
Release date
2026-11-30 06:16:11 UTC+0000
UTC Start
2025-11-30 06:03:05.809
UTC End
2025-11-30 06:08:25.809
MJD Start
61009.25215057
MJD End
61009.2558542737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0049855
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.735
Observation
ID
71912
Category
science
Program ID
116.28SD.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53388
Name
HD_62644
RA
115.735683
DEC
-45.17631
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.5800 42.8540 137.7000 138.3000
A0-J2 122.0280 122.7290 73.5000 74.6000
A0-J6 166.0220 165.8720 13.5010 14.3120
B5-J2 110.3640 110.6220 53.2000 54.3000
B5-J6 193.1790 193.1190 2.9950 3.7090
J2-J6 148.9400 149.6460 328.3170 328.8930
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61009.25215057
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 62644
HIERARCH ESO INS SOBJ NAME HD_62644
RA 115.735683
DEC -45.17631
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 42.58
HIERARCH ESO ISS PBL12 END 42.854
HIERARCH ESO ISS PBLA12 START 137.7
HIERARCH ESO ISS PBLA12 END 138.3
HIERARCH ESO ISS PBL13 START 122.028
HIERARCH ESO ISS PBL13 END 122.729
HIERARCH ESO ISS PBLA13 START 73.5
HIERARCH ESO ISS PBLA13 END 74.6
HIERARCH ESO ISS PBL14 START 166.022
HIERARCH ESO ISS PBL14 END 165.872
HIERARCH ESO ISS PBLA14 START 13.501
HIERARCH ESO ISS PBLA14 END 14.312
HIERARCH ESO ISS PBL23 START 110.364
HIERARCH ESO ISS PBL23 END 110.622
HIERARCH ESO ISS PBLA23 START 53.2
HIERARCH ESO ISS PBLA23 END 54.3
HIERARCH ESO ISS PBL24 START 193.179
HIERARCH ESO ISS PBL24 END 193.119
HIERARCH ESO ISS PBLA24 START 2.995
HIERARCH ESO ISS PBLA24 END 3.709
HIERARCH ESO ISS PBL34 START 148.94
HIERARCH ESO ISS PBL34 END 149.646
HIERARCH ESO ISS PBLA34 START 328.317
HIERARCH ESO ISS PBLA34 END 328.893
HIERARCH ESO ISS AMBI TAU0 START 0.005453
HIERARCH ESO ISS AMBI TAU0 END 0.004518
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.88