Exposure
ID
GRAVI.2025-10-08T05:49:23.213_1
Header ID
GRAVI.2025-10-08T05:49:23.213
Date updated
2025-10-08 06:05:58 UTC+0000
Release date
2026-10-08 06:05:58 UTC+0000
UTC Start
2025-10-08 05:49:23.213
UTC End
2025-10-08 05:55:23.213
MJD Start
60956.24262978
MJD End
60956.24679644666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0031285
Ambient temperature (°C)
9.86
Seeing (arcsec)
1.4500000000000002
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 74.0620 74.9350 84.1000 85.4000
A0-J2 117.6140 118.4000 60.2000 61.7000
A0-K0 125.3430 125.6310 41.6090 42.9920
G1-J2 58.2090 58.2200 29.2000 30.5000
G1-K0 86.6170 86.5630 6.3450 7.2890
J2-K0 39.9880 40.2070 331.9100 332.5540
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 60956.24262978
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 74.062
HIERARCH ESO ISS PBL12 END 74.935
HIERARCH ESO ISS PBLA12 START 84.1
HIERARCH ESO ISS PBLA12 END 85.4
HIERARCH ESO ISS PBL13 START 117.614
HIERARCH ESO ISS PBL13 END 118.4
HIERARCH ESO ISS PBLA13 START 60.2
HIERARCH ESO ISS PBLA13 END 61.7
HIERARCH ESO ISS PBL14 START 125.343
HIERARCH ESO ISS PBL14 END 125.631
HIERARCH ESO ISS PBLA14 START 41.609
HIERARCH ESO ISS PBLA14 END 42.992
HIERARCH ESO ISS PBL23 START 58.209
HIERARCH ESO ISS PBL23 END 58.22
HIERARCH ESO ISS PBLA23 START 29.2
HIERARCH ESO ISS PBLA23 END 30.5
HIERARCH ESO ISS PBL24 START 86.617
HIERARCH ESO ISS PBL24 END 86.563
HIERARCH ESO ISS PBLA24 START 6.345
HIERARCH ESO ISS PBLA24 END 7.289
HIERARCH ESO ISS PBL34 START 39.988
HIERARCH ESO ISS PBL34 END 40.207
HIERARCH ESO ISS PBLA34 START 331.91
HIERARCH ESO ISS PBLA34 END 332.554
HIERARCH ESO ISS AMBI TAU0 START 0.003593
HIERARCH ESO ISS AMBI TAU0 END 0.002664
HIERARCH ESO ISS AMBI TEMP 9.86
HIERARCH ESO ISS AMBI FWHM START 1.59
HIERARCH ESO ISS AMBI FWHM END 1.31