Exposure
ID
GRAVI.2025-07-18T07:38:53.186_1
Header ID
GRAVI.2025-07-18T07:38:53.186
Date updated
2025-07-18 07:50:44 UTC+0000
Release date
2026-07-18 07:50:43 UTC+0000
UTC Start
2025-07-18 07:38:53.186
UTC End
2025-07-18 07:42:53.186
MJD Start
60874.31867113
MJD End
60874.32144890778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005620999999999999
Ambient temperature (°C)
14.3
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 78.3170 78.4450 54.4000 55.5000
A0-J2 126.9580 127.0120 40.6000 41.7000
A0-K0 126.7740 126.7440 29.2800 30.2980
G1-J2 54.2300 54.2040 20.5000 21.4000
G1-K0 65.0420 65.0460 358.5070 359.3580
J2-K0 25.0630 25.1810 304.5410 305.3950
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 60874.31867113
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 78.317
HIERARCH ESO ISS PBL12 END 78.445
HIERARCH ESO ISS PBLA12 START 54.4
HIERARCH ESO ISS PBLA12 END 55.5
HIERARCH ESO ISS PBL13 START 126.958
HIERARCH ESO ISS PBL13 END 127.012
HIERARCH ESO ISS PBLA13 START 40.6
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 126.774
HIERARCH ESO ISS PBL14 END 126.744
HIERARCH ESO ISS PBLA14 START 29.28
HIERARCH ESO ISS PBLA14 END 30.298
HIERARCH ESO ISS PBL23 START 54.23
HIERARCH ESO ISS PBL23 END 54.204
HIERARCH ESO ISS PBLA23 START 20.5
HIERARCH ESO ISS PBLA23 END 21.4
HIERARCH ESO ISS PBL24 START 65.042
HIERARCH ESO ISS PBL24 END 65.046
HIERARCH ESO ISS PBLA24 START 358.507
HIERARCH ESO ISS PBLA24 END 359.358
HIERARCH ESO ISS PBL34 START 25.063
HIERARCH ESO ISS PBL34 END 25.181
HIERARCH ESO ISS PBLA34 START 304.541
HIERARCH ESO ISS PBLA34 END 305.395
HIERARCH ESO ISS AMBI TAU0 START 0.006278
HIERARCH ESO ISS AMBI TAU0 END 0.004964
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.52