Exposure
ID
GRAVI.2025-09-22T09:08:15.965_1
Header ID
GRAVI.2025-09-22T09:08:15.965
Date updated
2025-09-22 09:21:26 UTC+0000
Release date
2025-09-22 09:08:15 UTC+0000
UTC Start
2025-09-22 09:08:15.965
UTC End
2025-09-22 09:12:15.965
MJD Start
60940.38074033
MJD End
60940.38351810778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0054494999999999995
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.475
Observation
ID
70499
Category
calibrator
Program ID
115.282L.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
52277
Name
HD_26950
RA
62.795854
DEC
-66.1868
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.4650 87.6210 114.7000 115.6000
A0-J2 129.2340 129.2260 97.0000 97.9000
A0-K0 123.8830 123.6420 80.2850 81.2370
G1-J2 53.1030 52.9370 66.8000 67.7000
G1-K0 71.5430 71.2920 36.5920 37.2940
J2-K0 37.0660 37.1040 350.4150 351.0240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60940.38074033
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 26950
HIERARCH ESO INS SOBJ NAME HD_26950
RA 62.795854
DEC -66.1868
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 87.465
HIERARCH ESO ISS PBL12 END 87.621
HIERARCH ESO ISS PBLA12 START 114.7
HIERARCH ESO ISS PBLA12 END 115.6
HIERARCH ESO ISS PBL13 START 129.234
HIERARCH ESO ISS PBL13 END 129.226
HIERARCH ESO ISS PBLA13 START 97.0
HIERARCH ESO ISS PBLA13 END 97.9
HIERARCH ESO ISS PBL14 START 123.883
HIERARCH ESO ISS PBL14 END 123.642
HIERARCH ESO ISS PBLA14 START 80.285
HIERARCH ESO ISS PBLA14 END 81.237
HIERARCH ESO ISS PBL23 START 53.103
HIERARCH ESO ISS PBL23 END 52.937
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 67.7
HIERARCH ESO ISS PBL24 START 71.543
HIERARCH ESO ISS PBL24 END 71.292
HIERARCH ESO ISS PBLA24 START 36.592
HIERARCH ESO ISS PBLA24 END 37.294
HIERARCH ESO ISS PBL34 START 37.066
HIERARCH ESO ISS PBL34 END 37.104
HIERARCH ESO ISS PBLA34 START 350.415
HIERARCH ESO ISS PBLA34 END 351.024
HIERARCH ESO ISS AMBI TAU0 START 0.006464
HIERARCH ESO ISS AMBI TAU0 END 0.004435
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.49