Exposure
ID
GRAVI.2025-08-29T07:56:41.576_1
Header ID
GRAVI.2025-08-29T07:56:41.576
Date updated
2025-08-29 08:10:47 UTC+0000
Release date
2025-08-29 07:56:41 UTC+0000
UTC Start
2025-08-29 07:56:41.576
UTC End
2025-08-29 08:03:21.576
MJD Start
60916.33103676
MJD End
60916.33566638963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003406
Ambient temperature (°C)
9.8
Seeing (arcsec)
0.76
Observation
ID
70153
Category
calibrator
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
52052
Name
HD_19878
RA
46.738058
DEC
-70.8848
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 82.0470 82.4250 90.0000 91.6000
A0-J2 127.7830 127.9620 72.8000 74.4000
A0-K0 126.9010 126.7550 57.9660 59.5660
G1-J2 55.0810 54.9410 46.6000 48.1000
G1-K0 72.0000 71.8000 20.7740 22.0070
J2-K0 32.8150 32.9690 333.8470 334.9250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60916.33103676
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 19878
HIERARCH ESO INS SOBJ NAME HD_19878
RA 46.738058
DEC -70.8848
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 82.047
HIERARCH ESO ISS PBL12 END 82.425
HIERARCH ESO ISS PBLA12 START 90.0
HIERARCH ESO ISS PBLA12 END 91.6
HIERARCH ESO ISS PBL13 START 127.783
HIERARCH ESO ISS PBL13 END 127.962
HIERARCH ESO ISS PBLA13 START 72.8
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 126.901
HIERARCH ESO ISS PBL14 END 126.755
HIERARCH ESO ISS PBLA14 START 57.966
HIERARCH ESO ISS PBLA14 END 59.566
HIERARCH ESO ISS PBL23 START 55.081
HIERARCH ESO ISS PBL23 END 54.941
HIERARCH ESO ISS PBLA23 START 46.6
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 72.0
HIERARCH ESO ISS PBL24 END 71.8
HIERARCH ESO ISS PBLA24 START 20.774
HIERARCH ESO ISS PBLA24 END 22.007
HIERARCH ESO ISS PBL34 START 32.815
HIERARCH ESO ISS PBL34 END 32.969
HIERARCH ESO ISS PBLA34 START 333.847
HIERARCH ESO ISS PBLA34 END 334.925
HIERARCH ESO ISS AMBI TAU0 START 0.003406
HIERARCH ESO ISS AMBI TAU0 END 0.003406
HIERARCH ESO ISS AMBI TEMP 9.8
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76