Exposure
ID
GRAVI.2025-07-24T10:05:25.828_1
Header ID
GRAVI.2025-07-24T10:05:25.828
Date updated
2025-07-24 10:16:25 UTC+0000
Release date
2025-07-24 10:05:25 UTC+0000
UTC Start
2025-07-24 10:05:25.828
UTC End
2025-07-24 10:08:05.828
MJD Start
60880.42043782
MJD End
60880.42228967186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0042695
Ambient temperature (°C)
11.69
Seeing (arcsec)
0.375
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 81.5970 81.7340 85.9000 86.6000
A0-J2 127.9010 127.9610 69.7000 70.5000
A0-C1 20.3950 20.4290 85.8720 86.5860
G1-J2 54.4530 54.4010 45.1000 45.8000
G1-C1 61.2020 61.3050 265.8580 266.5720
J2-C1 108.4570 108.4850 246.7420 247.4570
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 60880.42043782
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 81.597
HIERARCH ESO ISS PBL12 END 81.734
HIERARCH ESO ISS PBLA12 START 85.9
HIERARCH ESO ISS PBLA12 END 86.6
HIERARCH ESO ISS PBL13 START 127.901
HIERARCH ESO ISS PBL13 END 127.961
HIERARCH ESO ISS PBLA13 START 69.7
HIERARCH ESO ISS PBLA13 END 70.5
HIERARCH ESO ISS PBL14 START 20.395
HIERARCH ESO ISS PBL14 END 20.429
HIERARCH ESO ISS PBLA14 START 85.872
HIERARCH ESO ISS PBLA14 END 86.586
HIERARCH ESO ISS PBL23 START 54.453
HIERARCH ESO ISS PBL23 END 54.401
HIERARCH ESO ISS PBLA23 START 45.1
HIERARCH ESO ISS PBLA23 END 45.8
HIERARCH ESO ISS PBL24 START 61.202
HIERARCH ESO ISS PBL24 END 61.305
HIERARCH ESO ISS PBLA24 START 265.858
HIERARCH ESO ISS PBLA24 END 266.572
HIERARCH ESO ISS PBL34 START 108.457
HIERARCH ESO ISS PBL34 END 108.485
HIERARCH ESO ISS PBLA34 START 246.742
HIERARCH ESO ISS PBLA34 END 247.457
HIERARCH ESO ISS AMBI TAU0 START 0.004088
HIERARCH ESO ISS AMBI TAU0 END 0.004451
HIERARCH ESO ISS AMBI TEMP 11.69
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.36