Exposure
ID
GRAVI.2025-11-30T05:50:50.778_1
Header ID
GRAVI.2025-11-30T05:50:50.778
Date updated
2025-11-30 06:06:10 UTC+0000
Release date
2026-11-30 06:06:10 UTC+0000
UTC Start
2025-11-30 05:50:50.778
UTC End
2025-11-30 05:56:10.778
MJD Start
61009.24364326
MJD End
61009.247346963704
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.003767
Ambient temperature (°C)
12.8
Seeing (arcsec)
0.615
Observation
ID
71912
Category
science
Program ID
116.28SD.001
Program Title
CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
Program Type
Normal
PI / COI
LU / KRAUS / BECK
Target
ID
53388
Name
HD_62644
RA
115.735683
DEC
-45.17631
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 41.9630 42.2560 136.4000 137.0000
A0-J2 120.4250 121.1900 71.1000 72.2000
A0-J6 166.3050 166.1790 11.7660 12.5790
B5-J2 109.7520 110.0470 50.7000 51.9000
B5-J6 193.2650 193.2320 1.4770 2.1870
J2-J6 147.3490 148.1050 327.1200 327.6760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SD.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61009.24364326
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 62644
HIERARCH ESO INS SOBJ NAME HD_62644
RA 115.735683
DEC -45.17631
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 41.963
HIERARCH ESO ISS PBL12 END 42.256
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 137.0
HIERARCH ESO ISS PBL13 START 120.425
HIERARCH ESO ISS PBL13 END 121.19
HIERARCH ESO ISS PBLA13 START 71.1
HIERARCH ESO ISS PBLA13 END 72.2
HIERARCH ESO ISS PBL14 START 166.305
HIERARCH ESO ISS PBL14 END 166.179
HIERARCH ESO ISS PBLA14 START 11.766
HIERARCH ESO ISS PBLA14 END 12.579
HIERARCH ESO ISS PBL23 START 109.752
HIERARCH ESO ISS PBL23 END 110.047
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 51.9
HIERARCH ESO ISS PBL24 START 193.265
HIERARCH ESO ISS PBL24 END 193.232
HIERARCH ESO ISS PBLA24 START 1.477
HIERARCH ESO ISS PBLA24 END 2.187
HIERARCH ESO ISS PBL34 START 147.349
HIERARCH ESO ISS PBL34 END 148.105
HIERARCH ESO ISS PBLA34 START 327.12
HIERARCH ESO ISS PBLA34 END 327.676
HIERARCH ESO ISS AMBI TAU0 START 0.003751
HIERARCH ESO ISS AMBI TAU0 END 0.003783
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.62