Exposure
ID
GRAVI.2025-12-13T02:16:51.017_1
Header ID
GRAVI.2025-12-13T02:16:51.017
Date updated
2025-12-13 02:36:05 UTC+0000
Release date
2025-12-13 02:16:51 UTC+0000
UTC Start
2025-12-13 02:16:51.017
UTC End
2025-12-13 02:23:31.017
MJD Start
61022.09503492
MJD End
61022.09966454963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0030015
Ambient temperature (°C)
9.91
Seeing (arcsec)
0.91
Observation
ID
72255
Category
calibrator
Program ID
116.28SD.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53661
Name
HD_30940
RA
72.373652
DEC
-47.0487
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 80.5630 81.3930 96.2000 97.4000
A0-J2 122.1570 122.9680 72.5000 73.9000
A0-K0 126.4090 126.7230 52.5130 53.8900
G1-J2 58.2210 58.2290 38.7000 40.0000
G1-K0 87.9540 87.8480 13.2880 14.2770
J2-K0 43.2960 43.4640 338.0540 338.7650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61022.09503492
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 30940
HIERARCH ESO INS SOBJ NAME HD_30940
RA 72.373652
DEC -47.0487
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 80.563
HIERARCH ESO ISS PBL12 END 81.393
HIERARCH ESO ISS PBLA12 START 96.2
HIERARCH ESO ISS PBLA12 END 97.4
HIERARCH ESO ISS PBL13 START 122.157
HIERARCH ESO ISS PBL13 END 122.968
HIERARCH ESO ISS PBLA13 START 72.5
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 126.409
HIERARCH ESO ISS PBL14 END 126.723
HIERARCH ESO ISS PBLA14 START 52.513
HIERARCH ESO ISS PBLA14 END 53.89
HIERARCH ESO ISS PBL23 START 58.221
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 38.7
HIERARCH ESO ISS PBLA23 END 40.0
HIERARCH ESO ISS PBL24 START 87.954
HIERARCH ESO ISS PBL24 END 87.848
HIERARCH ESO ISS PBLA24 START 13.288
HIERARCH ESO ISS PBLA24 END 14.277
HIERARCH ESO ISS PBL34 START 43.296
HIERARCH ESO ISS PBL34 END 43.464
HIERARCH ESO ISS PBLA34 START 338.054
HIERARCH ESO ISS PBLA34 END 338.765
HIERARCH ESO ISS AMBI TAU0 START 0.00298
HIERARCH ESO ISS AMBI TAU0 END 0.003023
HIERARCH ESO ISS AMBI TEMP 9.91
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.89