Exposure
ID
GRAVI.2025-07-24T09:58:46.811_1
Header ID
GRAVI.2025-07-24T09:58:46.811
Date updated
2025-07-24 10:12:17 UTC+0000
Release date
2025-07-24 09:58:46 UTC+0000
UTC Start
2025-07-24 09:58:46.811
UTC End
2025-07-24 10:01:26.811
MJD Start
60880.41581957
MJD End
60880.417671421856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004412
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.38
Observation
ID
68956
Category
calibrator
Program ID
115.282L.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
51303
Name
HD_19755
RA
46.240485
DEC
-74.31948
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.2880 81.4260 84.2000 85.0000
A0-J2 127.7610 127.8240 68.1000 68.8000
A0-C1 20.3180 20.3520 84.2560 84.9780
G1-J2 54.5650 54.5160 43.7000 44.3000
G1-C1 60.9700 61.0740 264.2420 264.9640
J2-C1 108.3920 108.4220 245.1300 245.8500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60880.41581957
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 19755
HIERARCH ESO INS SOBJ NAME HD_19755
RA 46.240485
DEC -74.31948
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 C1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 81.288
HIERARCH ESO ISS PBL12 END 81.426
HIERARCH ESO ISS PBLA12 START 84.2
HIERARCH ESO ISS PBLA12 END 85.0
HIERARCH ESO ISS PBL13 START 127.761
HIERARCH ESO ISS PBL13 END 127.824
HIERARCH ESO ISS PBLA13 START 68.1
HIERARCH ESO ISS PBLA13 END 68.8
HIERARCH ESO ISS PBL14 START 20.318
HIERARCH ESO ISS PBL14 END 20.352
HIERARCH ESO ISS PBLA14 START 84.256
HIERARCH ESO ISS PBLA14 END 84.978
HIERARCH ESO ISS PBL23 START 54.565
HIERARCH ESO ISS PBL23 END 54.516
HIERARCH ESO ISS PBLA23 START 43.7
HIERARCH ESO ISS PBLA23 END 44.3
HIERARCH ESO ISS PBL24 START 60.97
HIERARCH ESO ISS PBL24 END 61.074
HIERARCH ESO ISS PBLA24 START 264.242
HIERARCH ESO ISS PBLA24 END 264.964
HIERARCH ESO ISS PBL34 START 108.392
HIERARCH ESO ISS PBL34 END 108.422
HIERARCH ESO ISS PBLA34 START 245.13
HIERARCH ESO ISS PBLA34 END 245.85
HIERARCH ESO ISS AMBI TAU0 START 0.004425
HIERARCH ESO ISS AMBI TAU0 END 0.004399
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.36