Exposure
ID
GRAVI.2025-07-18T07:22:53.144_1
Header ID
GRAVI.2025-07-18T07:22:53.144
Date updated
2025-07-18 07:30:48 UTC+0000
Release date
2026-07-18 07:30:47 UTC+0000
UTC Start
2025-07-18 07:22:53.144
UTC End
2025-07-18 07:26:53.144
MJD Start
60874.30755954
MJD End
60874.31033731778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005849
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.5
Observation
ID
68847
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
51217
Name
CPD-79_54
RA
32.21225
DEC
-79.39979
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 77.8460 77.9690 50.2000 51.3000
A0-J2 126.7580 126.8090 36.6000 37.6000
A0-K0 126.8760 126.8510 25.4380 26.4540
G1-J2 54.3170 54.2960 16.8000 17.8000
G1-K0 64.9970 65.0130 355.2960 356.1450
J2-K0 24.6060 24.7290 301.2900 302.1540
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 60874.30755954
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CPD-79 54
HIERARCH ESO INS SOBJ NAME CPD-79_54
RA 32.21225
DEC -79.39979
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 77.846
HIERARCH ESO ISS PBL12 END 77.969
HIERARCH ESO ISS PBLA12 START 50.2
HIERARCH ESO ISS PBLA12 END 51.3
HIERARCH ESO ISS PBL13 START 126.758
HIERARCH ESO ISS PBL13 END 126.809
HIERARCH ESO ISS PBLA13 START 36.6
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 126.876
HIERARCH ESO ISS PBL14 END 126.851
HIERARCH ESO ISS PBLA14 START 25.438
HIERARCH ESO ISS PBLA14 END 26.454
HIERARCH ESO ISS PBL23 START 54.317
HIERARCH ESO ISS PBL23 END 54.296
HIERARCH ESO ISS PBLA23 START 16.8
HIERARCH ESO ISS PBLA23 END 17.8
HIERARCH ESO ISS PBL24 START 64.997
HIERARCH ESO ISS PBL24 END 65.013
HIERARCH ESO ISS PBLA24 START 355.296
HIERARCH ESO ISS PBLA24 END 356.145
HIERARCH ESO ISS PBL34 START 24.606
HIERARCH ESO ISS PBL34 END 24.729
HIERARCH ESO ISS PBLA34 START 301.29
HIERARCH ESO ISS PBLA34 END 302.154
HIERARCH ESO ISS AMBI TAU0 START 0.005466
HIERARCH ESO ISS AMBI TAU0 END 0.006232
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47