Exposure
ID
GRAVI.2025-07-18T09:51:08.638_1
Header ID
GRAVI.2025-07-18T09:51:08.638
Date updated
2025-07-18 10:05:50 UTC+0000
Release date
2025-07-18 09:51:08 UTC+0000
UTC Start
2025-07-18 09:51:08.638
UTC End
2025-07-18 09:57:08.638
MJD Start
60874.41051664
MJD End
60874.41468330666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0063820000000000005
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.5800000000000001
Observation
ID
68852
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
51222
Name
HD_22707
RA
53.964038
DEC
-59.87141
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 74.5940 75.2790 77.4000 78.8000
A0-J2 120.7970 121.3190 56.1000 57.6000
A0-K0 127.2870 127.4000 39.6390 41.0560
G1-J2 57.9850 57.9480 28.3000 29.6000
G1-K0 82.1450 82.0870 5.8830 6.8760
J2-K0 36.0950 36.3290 328.1280 328.8800
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 60874.41051664
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 22707
HIERARCH ESO INS SOBJ NAME HD_22707
RA 53.964038
DEC -59.87141
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 74.594
HIERARCH ESO ISS PBL12 END 75.279
HIERARCH ESO ISS PBLA12 START 77.4
HIERARCH ESO ISS PBLA12 END 78.8
HIERARCH ESO ISS PBL13 START 120.797
HIERARCH ESO ISS PBL13 END 121.319
HIERARCH ESO ISS PBLA13 START 56.1
HIERARCH ESO ISS PBLA13 END 57.6
HIERARCH ESO ISS PBL14 START 127.287
HIERARCH ESO ISS PBL14 END 127.4
HIERARCH ESO ISS PBLA14 START 39.639
HIERARCH ESO ISS PBLA14 END 41.056
HIERARCH ESO ISS PBL23 START 57.985
HIERARCH ESO ISS PBL23 END 57.948
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 29.6
HIERARCH ESO ISS PBL24 START 82.145
HIERARCH ESO ISS PBL24 END 82.087
HIERARCH ESO ISS PBLA24 START 5.883
HIERARCH ESO ISS PBLA24 END 6.876
HIERARCH ESO ISS PBL34 START 36.095
HIERARCH ESO ISS PBL34 END 36.329
HIERARCH ESO ISS PBLA34 START 328.128
HIERARCH ESO ISS PBLA34 END 328.88
HIERARCH ESO ISS AMBI TAU0 START 0.007351
HIERARCH ESO ISS AMBI TAU0 END 0.005413
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.64