Exposure
ID
GRAVI.2025-09-20T05:14:52.322_1
Header ID
GRAVI.2025-09-20T05:14:52.322
Date updated
2025-09-20 05:31:00 UTC+0000
Release date
2026-09-20 05:31:00 UTC+0000
UTC Start
2025-09-20 05:14:52.322
UTC End
2025-09-20 05:20:52.322
MJD Start
60938.21866114
MJD End
60938.22282780667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0033175
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.63
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 70.5660 71.1750 61.9000 63.6000
A0-J2 119.1310 119.5420 42.2000 43.8000
A0-K0 127.2680 127.3440 27.6960 29.1680
G1-J2 57.8560 57.8310 17.8000 19.2000
G1-K0 79.5170 79.5320 357.7700 358.8010
J2-K0 32.0480 32.3340 319.5250 320.3290
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 60938.21866114
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 70.566
HIERARCH ESO ISS PBL12 END 71.175
HIERARCH ESO ISS PBLA12 START 61.9
HIERARCH ESO ISS PBLA12 END 63.6
HIERARCH ESO ISS PBL13 START 119.131
HIERARCH ESO ISS PBL13 END 119.542
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 43.8
HIERARCH ESO ISS PBL14 START 127.268
HIERARCH ESO ISS PBL14 END 127.344
HIERARCH ESO ISS PBLA14 START 27.696
HIERARCH ESO ISS PBLA14 END 29.168
HIERARCH ESO ISS PBL23 START 57.856
HIERARCH ESO ISS PBL23 END 57.831
HIERARCH ESO ISS PBLA23 START 17.8
HIERARCH ESO ISS PBLA23 END 19.2
HIERARCH ESO ISS PBL24 START 79.517
HIERARCH ESO ISS PBL24 END 79.532
HIERARCH ESO ISS PBLA24 START 357.77
HIERARCH ESO ISS PBLA24 END 358.801
HIERARCH ESO ISS PBL34 START 32.048
HIERARCH ESO ISS PBL34 END 32.334
HIERARCH ESO ISS PBLA34 START 319.525
HIERARCH ESO ISS PBLA34 END 320.329
HIERARCH ESO ISS AMBI TAU0 START 0.002879
HIERARCH ESO ISS AMBI TAU0 END 0.003756
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.59