Exposure
ID
GRAVI.2025-07-18T07:05:17.100_1
Header ID
GRAVI.2025-07-18T07:05:17.100
Date updated
2025-07-18 07:15:42 UTC+0000
Release date
2025-07-18 07:05:17 UTC+0000
UTC Start
2025-07-18 07:05:17.100
UTC End
2025-07-18 07:09:17.100
MJD Start
60874.2953368
MJD End
60874.29811457778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005682
Ambient temperature (°C)
14.1
Seeing (arcsec)
0.425
Observation
ID
68846
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
51216
Name
HD_8288
RA
19.878339
DEC
-73.78043
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 76.4480 76.6700 61.1000 62.2000
A0-J2 125.2200 125.3390 45.1000 46.2000
A0-K0 127.7450 127.7230 32.4520 33.4530
G1-J2 55.8470 55.8130 23.0000 23.9000
G1-K0 70.8990 70.8900 1.3010 2.0810
J2-K0 28.0680 28.2160 313.9360 314.6590
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 60874.2953368
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 8288
HIERARCH ESO INS SOBJ NAME HD_8288
RA 19.878339
DEC -73.78043
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 76.448
HIERARCH ESO ISS PBL12 END 76.67
HIERARCH ESO ISS PBLA12 START 61.1
HIERARCH ESO ISS PBLA12 END 62.2
HIERARCH ESO ISS PBL13 START 125.22
HIERARCH ESO ISS PBL13 END 125.339
HIERARCH ESO ISS PBLA13 START 45.1
HIERARCH ESO ISS PBLA13 END 46.2
HIERARCH ESO ISS PBL14 START 127.745
HIERARCH ESO ISS PBL14 END 127.723
HIERARCH ESO ISS PBLA14 START 32.452
HIERARCH ESO ISS PBLA14 END 33.453
HIERARCH ESO ISS PBL23 START 55.847
HIERARCH ESO ISS PBL23 END 55.813
HIERARCH ESO ISS PBLA23 START 23.0
HIERARCH ESO ISS PBLA23 END 23.9
HIERARCH ESO ISS PBL24 START 70.899
HIERARCH ESO ISS PBL24 END 70.89
HIERARCH ESO ISS PBLA24 START 1.301
HIERARCH ESO ISS PBLA24 END 2.081
HIERARCH ESO ISS PBL34 START 28.068
HIERARCH ESO ISS PBL34 END 28.216
HIERARCH ESO ISS PBLA34 START 313.936
HIERARCH ESO ISS PBLA34 END 314.659
HIERARCH ESO ISS AMBI TAU0 START 0.005793
HIERARCH ESO ISS AMBI TAU0 END 0.005571
HIERARCH ESO ISS AMBI TEMP 14.1
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.44