Exposure
ID
GRAVI.2025-12-13T05:37:57.529_1
Header ID
GRAVI.2025-12-13T05:37:57.529
Date updated
2025-12-13 05:56:00 UTC+0000
Release date
2026-12-13 05:56:00 UTC+0000
UTC Start
2025-12-13 05:37:57.529
UTC End
2025-12-13 05:44:37.529
MJD Start
61022.23469362
MJD End
61022.239323249625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.001991
Ambient temperature (°C)
10.34
Seeing (arcsec)
1.27
Observation
ID
72258
Category
science
Program ID
116.28SD.002
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53664
Name
HD_44939
RA
94.799184
DEC
-67.59817
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 86.6120 86.8890 110.9000 112.5000
A0-J2 129.1990 129.2260 93.4000 95.0000
A0-K0 124.5250 124.1830 77.1840 78.7560
G1-J2 53.4150 53.1690 64.2000 65.6000
G1-K0 71.2220 70.8480 34.6880 35.8680
J2-K0 36.0870 36.1630 347.9340 348.9550
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61022.23469362
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 44939
HIERARCH ESO INS SOBJ NAME HD_44939
RA 94.799184
DEC -67.59817
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 86.612
HIERARCH ESO ISS PBL12 END 86.889
HIERARCH ESO ISS PBLA12 START 110.9
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 129.199
HIERARCH ESO ISS PBL13 END 129.226
HIERARCH ESO ISS PBLA13 START 93.4
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 124.525
HIERARCH ESO ISS PBL14 END 124.183
HIERARCH ESO ISS PBLA14 START 77.184
HIERARCH ESO ISS PBLA14 END 78.756
HIERARCH ESO ISS PBL23 START 53.415
HIERARCH ESO ISS PBL23 END 53.169
HIERARCH ESO ISS PBLA23 START 64.2
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 71.222
HIERARCH ESO ISS PBL24 END 70.848
HIERARCH ESO ISS PBLA24 START 34.688
HIERARCH ESO ISS PBLA24 END 35.868
HIERARCH ESO ISS PBL34 START 36.087
HIERARCH ESO ISS PBL34 END 36.163
HIERARCH ESO ISS PBLA34 START 347.934
HIERARCH ESO ISS PBLA34 END 348.955
HIERARCH ESO ISS AMBI TAU0 START 0.001861
HIERARCH ESO ISS AMBI TAU0 END 0.002121
HIERARCH ESO ISS AMBI TEMP 10.34
HIERARCH ESO ISS AMBI FWHM START 1.27
HIERARCH ESO ISS AMBI FWHM END 1.27