Exposure
ID
GRAVI.2025-11-30T06:09:08.824_1
Header ID
GRAVI.2025-11-30T06:09:08.824
Date updated
2025-11-30 06:26:14 UTC+0000
Release date
2026-11-30 06:26:14 UTC+0000
UTC Start
2025-11-30 06:09:08.824
UTC End
2025-11-30 06:14:28.824
MJD Start
61009.25635213
MJD End
61009.26005583371
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003469
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.81
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 42.8710 43.1360 138.3000 138.9000
A0-J2 122.7710 123.4410 74.7000 75.8000
A0-J6 165.8630 165.7000 14.3590 15.1600
B5-J2 110.6370 110.8750 54.3000 55.4000
B5-J6 193.1150 193.0410 3.7510 4.4570
J2-J6 149.6860 150.3670 328.9270 329.5040
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 61009.25635213
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 42.871
HIERARCH ESO ISS PBL12 END 43.136
HIERARCH ESO ISS PBLA12 START 138.3
HIERARCH ESO ISS PBLA12 END 138.9
HIERARCH ESO ISS PBL13 START 122.771
HIERARCH ESO ISS PBL13 END 123.441
HIERARCH ESO ISS PBLA13 START 74.7
HIERARCH ESO ISS PBLA13 END 75.8
HIERARCH ESO ISS PBL14 START 165.863
HIERARCH ESO ISS PBL14 END 165.7
HIERARCH ESO ISS PBLA14 START 14.359
HIERARCH ESO ISS PBLA14 END 15.16
HIERARCH ESO ISS PBL23 START 110.637
HIERARCH ESO ISS PBL23 END 110.875
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 55.4
HIERARCH ESO ISS PBL24 START 193.115
HIERARCH ESO ISS PBL24 END 193.041
HIERARCH ESO ISS PBLA24 START 3.751
HIERARCH ESO ISS PBLA24 END 4.457
HIERARCH ESO ISS PBL34 START 149.686
HIERARCH ESO ISS PBL34 END 150.367
HIERARCH ESO ISS PBLA34 START 328.927
HIERARCH ESO ISS PBLA34 END 329.504
HIERARCH ESO ISS AMBI TAU0 START 0.004518
HIERARCH ESO ISS AMBI TAU0 END 0.00242
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.74