Exposure
ID
GRAVI.2025-07-18T07:34:23.174_1
Header ID
GRAVI.2025-07-18T07:34:23.174
Date updated
2025-07-18 07:45:48 UTC+0000
Release date
2026-07-18 07:45:48 UTC+0000
UTC Start
2025-07-18 07:34:23.174
UTC End
2025-07-18 07:38:23.174
MJD Start
60874.31554599
MJD End
60874.31832376778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.006324
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.54
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 78.1830 78.3090 53.2000 54.4000
A0-J2 126.9000 126.9540 39.5000 40.5000
A0-K0 126.8050 126.7760 28.1980 29.2160
G1-J2 54.2560 54.2310 19.4000 20.4000
G1-K0 65.0330 65.0410 357.6040 358.4540
J2-K0 24.9360 25.0560 303.6300 304.4870
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 60874.31554599
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 78.183
HIERARCH ESO ISS PBL12 END 78.309
HIERARCH ESO ISS PBLA12 START 53.2
HIERARCH ESO ISS PBLA12 END 54.4
HIERARCH ESO ISS PBL13 START 126.9
HIERARCH ESO ISS PBL13 END 126.954
HIERARCH ESO ISS PBLA13 START 39.5
HIERARCH ESO ISS PBLA13 END 40.5
HIERARCH ESO ISS PBL14 START 126.805
HIERARCH ESO ISS PBL14 END 126.776
HIERARCH ESO ISS PBLA14 START 28.198
HIERARCH ESO ISS PBLA14 END 29.216
HIERARCH ESO ISS PBL23 START 54.256
HIERARCH ESO ISS PBL23 END 54.231
HIERARCH ESO ISS PBLA23 START 19.4
HIERARCH ESO ISS PBLA23 END 20.4
HIERARCH ESO ISS PBL24 START 65.033
HIERARCH ESO ISS PBL24 END 65.041
HIERARCH ESO ISS PBLA24 START 357.604
HIERARCH ESO ISS PBLA24 END 358.454
HIERARCH ESO ISS PBL34 START 24.936
HIERARCH ESO ISS PBL34 END 25.056
HIERARCH ESO ISS PBLA34 START 303.63
HIERARCH ESO ISS PBLA34 END 304.487
HIERARCH ESO ISS AMBI TAU0 START 0.00637
HIERARCH ESO ISS AMBI TAU0 END 0.006278
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.53