Exposure
ID
GRAVI.2025-08-29T08:16:02.625_1
Header ID
GRAVI.2025-08-29T08:16:02.625
Date updated
2025-08-29 08:30:47 UTC+0000
Release date
2026-08-29 08:30:46 UTC+0000
UTC Start
2025-08-29 08:16:02.625
UTC End
2025-08-29 08:22:42.625
MJD Start
60916.34447483
MJD End
60916.34910445963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003237
Ambient temperature (°C)
9.79
Seeing (arcsec)
0.89
Observation
ID
70154
Category
science
Program ID
115.282L.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER / BECK
Target
ID
52053
Name
HD_28898
RA
66.862626
DEC
-69.75426
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 78.2260 78.6890 75.9000 77.6000
A0-J2 125.5500 125.8210 58.2000 59.9000
A0-K0 127.8300 127.7810 43.8600 45.4670
G1-J2 56.2960 56.2080 33.2000 34.7000
G1-K0 74.2310 74.1320 9.8550 11.0700
J2-K0 31.7480 31.9670 325.1350 326.1890
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60916.34447483
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 28898
HIERARCH ESO INS SOBJ NAME HD_28898
RA 66.862626
DEC -69.75426
HIERARCH ESO INS SPEC RES HIGH
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 78.226
HIERARCH ESO ISS PBL12 END 78.689
HIERARCH ESO ISS PBLA12 START 75.9
HIERARCH ESO ISS PBLA12 END 77.6
HIERARCH ESO ISS PBL13 START 125.55
HIERARCH ESO ISS PBL13 END 125.821
HIERARCH ESO ISS PBLA13 START 58.2
HIERARCH ESO ISS PBLA13 END 59.9
HIERARCH ESO ISS PBL14 START 127.83
HIERARCH ESO ISS PBL14 END 127.781
HIERARCH ESO ISS PBLA14 START 43.86
HIERARCH ESO ISS PBLA14 END 45.467
HIERARCH ESO ISS PBL23 START 56.296
HIERARCH ESO ISS PBL23 END 56.208
HIERARCH ESO ISS PBLA23 START 33.2
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 74.231
HIERARCH ESO ISS PBL24 END 74.132
HIERARCH ESO ISS PBLA24 START 9.855
HIERARCH ESO ISS PBLA24 END 11.07
HIERARCH ESO ISS PBL34 START 31.748
HIERARCH ESO ISS PBL34 END 31.967
HIERARCH ESO ISS PBLA34 START 325.135
HIERARCH ESO ISS PBLA34 END 326.189
HIERARCH ESO ISS AMBI TAU0 START 0.003237
HIERARCH ESO ISS AMBI TAU0 END 0.003237
HIERARCH ESO ISS AMBI TEMP 9.79
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.89