Exposure
ID
GRAVI.2025-09-20T05:35:31.375_1
Header ID
GRAVI.2025-09-20T05:35:31.375
Date updated
2025-09-20 05:50:50 UTC+0000
Release date
2026-09-20 05:50:50 UTC+0000
UTC Start
2025-09-20 05:35:31.375
UTC End
2025-09-20 05:41:31.375
MJD Start
60938.23300203
MJD End
60938.237168696665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003509
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.635
Observation
ID
70470
Category
science
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
52256
Name
TYC_8871-699-1
RA
60.530113
DEC
-63.77973
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 72.5660 73.1710 67.3000 68.9000
A0-J2 120.4940 120.9120 47.4000 49.0000
A0-K0 127.5130 127.5830 32.5200 33.9760
G1-J2 57.7610 57.7260 22.2000 23.5000
G1-K0 79.5330 79.5180 1.1620 2.1920
J2-K0 32.9620 33.2260 322.1820 322.9940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60938.23300203
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 8871-699-1
HIERARCH ESO INS SOBJ NAME TYC_8871-699-1
RA 60.530113
DEC -63.77973
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 72.566
HIERARCH ESO ISS PBL12 END 73.171
HIERARCH ESO ISS PBLA12 START 67.3
HIERARCH ESO ISS PBLA12 END 68.9
HIERARCH ESO ISS PBL13 START 120.494
HIERARCH ESO ISS PBL13 END 120.912
HIERARCH ESO ISS PBLA13 START 47.4
HIERARCH ESO ISS PBLA13 END 49.0
HIERARCH ESO ISS PBL14 START 127.513
HIERARCH ESO ISS PBL14 END 127.583
HIERARCH ESO ISS PBLA14 START 32.52
HIERARCH ESO ISS PBLA14 END 33.976
HIERARCH ESO ISS PBL23 START 57.761
HIERARCH ESO ISS PBL23 END 57.726
HIERARCH ESO ISS PBLA23 START 22.2
HIERARCH ESO ISS PBLA23 END 23.5
HIERARCH ESO ISS PBL24 START 79.533
HIERARCH ESO ISS PBL24 END 79.518
HIERARCH ESO ISS PBLA24 START 1.162
HIERARCH ESO ISS PBLA24 END 2.192
HIERARCH ESO ISS PBL34 START 32.962
HIERARCH ESO ISS PBL34 END 33.226
HIERARCH ESO ISS PBLA34 START 322.182
HIERARCH ESO ISS PBLA34 END 322.994
HIERARCH ESO ISS AMBI TAU0 START 0.003121
HIERARCH ESO ISS AMBI TAU0 END 0.003897
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.6