Exposure
ID
GRAVI.2025-10-08T08:07:20.565_1
Header ID
GRAVI.2025-10-08T08:07:20.565
Date updated
2025-10-08 08:20:56 UTC+0000
Release date
2026-10-08 08:20:56 UTC+0000
UTC Start
2025-10-08 08:07:20.565
UTC End
2025-10-08 08:13:20.565
MJD Start
60956.33843246
MJD End
60956.34259912666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0032129999999999997
Ambient temperature (°C)
9.34
Seeing (arcsec)
1.395
Observation
ID
70850
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
52567
Name
HD_31244
RA
72.858977
DEC
-51.72549
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 87.8150 88.1530 110.3000 111.4000
A0-J2 128.9230 129.0570 89.1000 90.3000
A0-K0 127.2950 127.0650 69.6510 70.8530
G1-J2 56.7770 56.5890 55.1000 56.2000
G1-K0 83.3760 83.1030 26.3390 27.2050
J2-K0 43.2740 43.3550 347.2480 347.9980
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 60956.33843246
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 31244
HIERARCH ESO INS SOBJ NAME HD_31244
RA 72.858977
DEC -51.72549
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 87.815
HIERARCH ESO ISS PBL12 END 88.153
HIERARCH ESO ISS PBLA12 START 110.3
HIERARCH ESO ISS PBLA12 END 111.4
HIERARCH ESO ISS PBL13 START 128.923
HIERARCH ESO ISS PBL13 END 129.057
HIERARCH ESO ISS PBLA13 START 89.1
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 127.295
HIERARCH ESO ISS PBL14 END 127.065
HIERARCH ESO ISS PBLA14 START 69.651
HIERARCH ESO ISS PBLA14 END 70.853
HIERARCH ESO ISS PBL23 START 56.777
HIERARCH ESO ISS PBL23 END 56.589
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 56.2
HIERARCH ESO ISS PBL24 START 83.376
HIERARCH ESO ISS PBL24 END 83.103
HIERARCH ESO ISS PBLA24 START 26.339
HIERARCH ESO ISS PBLA24 END 27.205
HIERARCH ESO ISS PBL34 START 43.274
HIERARCH ESO ISS PBL34 END 43.355
HIERARCH ESO ISS PBLA34 START 347.248
HIERARCH ESO ISS PBLA34 END 347.998
HIERARCH ESO ISS AMBI TAU0 START 0.00333
HIERARCH ESO ISS AMBI TAU0 END 0.003096
HIERARCH ESO ISS AMBI TEMP 9.34
HIERARCH ESO ISS AMBI FWHM START 1.38
HIERARCH ESO ISS AMBI FWHM END 1.41