Exposure
ID
GRAVI.2025-12-13T06:24:57.648_1
Header ID
GRAVI.2025-12-13T06:24:57.648
Date updated
2025-12-13 06:41:23 UTC+0000
Release date
2026-12-13 06:41:23 UTC+0000
UTC Start
2025-12-13 06:24:57.648
UTC End
2025-12-13 06:30:57.648
MJD Start
61022.26733389
MJD End
61022.271500556664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002345
Ambient temperature (°C)
10.32
Seeing (arcsec)
1.295
Observation
ID
72260
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
53666
Name
HD_28550
RA
67.113605
DEC
-37.61374
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 85.3990 85.0090 143.4000 144.7000
A0-J2 111.8390 110.6150 120.7000 122.0000
A0-K0 103.5860 101.9330 95.5740 96.6330
G1-J2 46.6990 45.9530 75.8000 76.5000
G1-K0 78.3950 77.7280 41.7370 42.1520
J2-K0 47.5240 47.4900 8.3730 9.0610
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 61022.26733389
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 28550
HIERARCH ESO INS SOBJ NAME HD_28550
RA 67.113605
DEC -37.61374
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 85.399
HIERARCH ESO ISS PBL12 END 85.009
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 144.7
HIERARCH ESO ISS PBL13 START 111.839
HIERARCH ESO ISS PBL13 END 110.615
HIERARCH ESO ISS PBLA13 START 120.7
HIERARCH ESO ISS PBLA13 END 122.0
HIERARCH ESO ISS PBL14 START 103.586
HIERARCH ESO ISS PBL14 END 101.933
HIERARCH ESO ISS PBLA14 START 95.574
HIERARCH ESO ISS PBLA14 END 96.633
HIERARCH ESO ISS PBL23 START 46.699
HIERARCH ESO ISS PBL23 END 45.953
HIERARCH ESO ISS PBLA23 START 75.8
HIERARCH ESO ISS PBLA23 END 76.5
HIERARCH ESO ISS PBL24 START 78.395
HIERARCH ESO ISS PBL24 END 77.728
HIERARCH ESO ISS PBLA24 START 41.737
HIERARCH ESO ISS PBLA24 END 42.152
HIERARCH ESO ISS PBL34 START 47.524
HIERARCH ESO ISS PBL34 END 47.49
HIERARCH ESO ISS PBLA34 START 8.373
HIERARCH ESO ISS PBLA34 END 9.061
HIERARCH ESO ISS AMBI TAU0 START 0.002429
HIERARCH ESO ISS AMBI TAU0 END 0.002261
HIERARCH ESO ISS AMBI TEMP 10.32
HIERARCH ESO ISS AMBI FWHM START 1.33
HIERARCH ESO ISS AMBI FWHM END 1.26