Exposure
ID
GRAVI.2025-12-13T04:04:36.291_1
Header ID
GRAVI.2025-12-13T04:04:36.291
Date updated
2025-12-13 04:20:52 UTC+0000
Release date
2026-12-13 04:20:52 UTC+0000
UTC Start
2025-12-13 04:04:36.291
UTC End
2025-12-13 04:11:16.291
MJD Start
61022.16986448
MJD End
61022.174494109626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0020595
Ambient temperature (°C)
10.03
Seeing (arcsec)
1.385
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 81.6340 82.0800 89.9000 91.5000
A0-J2 127.2130 127.4560 71.6000 73.3000
A0-K0 127.4520 127.3340 56.1010 57.6720
G1-J2 55.8980 55.7630 44.4000 45.8000
G1-K0 74.9400 74.7450 18.8090 19.9900
J2-K0 34.4020 34.5710 334.2670 335.2770
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 61022.16986448
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 81.634
HIERARCH ESO ISS PBL12 END 82.08
HIERARCH ESO ISS PBLA12 START 89.9
HIERARCH ESO ISS PBLA12 END 91.5
HIERARCH ESO ISS PBL13 START 127.213
HIERARCH ESO ISS PBL13 END 127.456
HIERARCH ESO ISS PBLA13 START 71.6
HIERARCH ESO ISS PBLA13 END 73.3
HIERARCH ESO ISS PBL14 START 127.452
HIERARCH ESO ISS PBL14 END 127.334
HIERARCH ESO ISS PBLA14 START 56.101
HIERARCH ESO ISS PBLA14 END 57.672
HIERARCH ESO ISS PBL23 START 55.898
HIERARCH ESO ISS PBL23 END 55.763
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 45.8
HIERARCH ESO ISS PBL24 START 74.94
HIERARCH ESO ISS PBL24 END 74.745
HIERARCH ESO ISS PBLA24 START 18.809
HIERARCH ESO ISS PBLA24 END 19.99
HIERARCH ESO ISS PBL34 START 34.402
HIERARCH ESO ISS PBL34 END 34.571
HIERARCH ESO ISS PBLA34 START 334.267
HIERARCH ESO ISS PBLA34 END 335.277
HIERARCH ESO ISS AMBI TAU0 START 0.002001
HIERARCH ESO ISS AMBI TAU0 END 0.002118
HIERARCH ESO ISS AMBI TEMP 10.03
HIERARCH ESO ISS AMBI FWHM START 1.42
HIERARCH ESO ISS AMBI FWHM END 1.35