Exposure
ID
GRAVI.2025-10-08T06:09:17.264_1
Header ID
GRAVI.2025-10-08T06:09:17.264
Date updated
2025-10-08 06:25:33 UTC+0000
Release date
2026-10-08 06:25:32 UTC+0000
UTC Start
2025-10-08 06:09:17.264
UTC End
2025-10-08 06:15:17.264
MJD Start
60956.25644981
MJD End
60956.26061647666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0024925
Ambient temperature (°C)
9.41
Seeing (arcsec)
1.65
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 76.7510 77.5590 88.1000 89.4000
A0-J2 120.0390 120.7680 64.7000 66.1000
A0-K0 126.2190 126.4730 45.9360 47.2830
G1-J2 58.2290 58.2260 33.1000 34.4000
G1-K0 86.4220 86.3440 9.3180 10.2550
J2-K0 40.6560 40.8530 333.9630 334.6260
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 60956.25644981
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 76.751
HIERARCH ESO ISS PBL12 END 77.559
HIERARCH ESO ISS PBLA12 START 88.1
HIERARCH ESO ISS PBLA12 END 89.4
HIERARCH ESO ISS PBL13 START 120.039
HIERARCH ESO ISS PBL13 END 120.768
HIERARCH ESO ISS PBLA13 START 64.7
HIERARCH ESO ISS PBLA13 END 66.1
HIERARCH ESO ISS PBL14 START 126.219
HIERARCH ESO ISS PBL14 END 126.473
HIERARCH ESO ISS PBLA14 START 45.936
HIERARCH ESO ISS PBLA14 END 47.283
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 33.1
HIERARCH ESO ISS PBLA23 END 34.4
HIERARCH ESO ISS PBL24 START 86.422
HIERARCH ESO ISS PBL24 END 86.344
HIERARCH ESO ISS PBLA24 START 9.318
HIERARCH ESO ISS PBLA24 END 10.255
HIERARCH ESO ISS PBL34 START 40.656
HIERARCH ESO ISS PBL34 END 40.853
HIERARCH ESO ISS PBLA34 START 333.963
HIERARCH ESO ISS PBLA34 END 334.626
HIERARCH ESO ISS AMBI TAU0 START 0.002556
HIERARCH ESO ISS AMBI TAU0 END 0.002429
HIERARCH ESO ISS AMBI TEMP 9.41
HIERARCH ESO ISS AMBI FWHM START 1.66
HIERARCH ESO ISS AMBI FWHM END 1.64