Exposure
ID
GRAVI.2025-07-22T08:56:45.603_1
Header ID
GRAVI.2025-07-22T08:56:45.603
Date updated
2025-07-22 09:15:42 UTC+0000
Release date
2026-07-22 09:15:42 UTC+0000
UTC Start
2025-07-22 08:56:45.603
UTC End
2025-07-22 09:03:25.603
MJD Start
60878.37275003
MJD End
60878.37737965963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0071445
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.38
Observation
ID
68920
Category
science
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
51283
Name
HD_22154
RA
52.604103
DEC
-64.1227
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 72.3900 73.0480 66.3000 68.1000
A0-J2 120.4720 120.9220 46.6000 48.3000
A0-K0 127.5310 127.6040 31.7830 33.3900
G1-J2 57.7380 57.7000 21.6000 23.0000
G1-K0 79.2900 79.2780 0.6540 1.7920
J2-K0 32.6690 32.9620 321.5580 322.4590
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282L.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60878.37275003
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 22154
HIERARCH ESO INS SOBJ NAME HD_22154
RA 52.604103
DEC -64.1227
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 72.39
HIERARCH ESO ISS PBL12 END 73.048
HIERARCH ESO ISS PBLA12 START 66.3
HIERARCH ESO ISS PBLA12 END 68.1
HIERARCH ESO ISS PBL13 START 120.472
HIERARCH ESO ISS PBL13 END 120.922
HIERARCH ESO ISS PBLA13 START 46.6
HIERARCH ESO ISS PBLA13 END 48.3
HIERARCH ESO ISS PBL14 START 127.531
HIERARCH ESO ISS PBL14 END 127.604
HIERARCH ESO ISS PBLA14 START 31.783
HIERARCH ESO ISS PBLA14 END 33.39
HIERARCH ESO ISS PBL23 START 57.738
HIERARCH ESO ISS PBL23 END 57.7
HIERARCH ESO ISS PBLA23 START 21.6
HIERARCH ESO ISS PBLA23 END 23.0
HIERARCH ESO ISS PBL24 START 79.29
HIERARCH ESO ISS PBL24 END 79.278
HIERARCH ESO ISS PBLA24 START 0.654
HIERARCH ESO ISS PBLA24 END 1.792
HIERARCH ESO ISS PBL34 START 32.669
HIERARCH ESO ISS PBL34 END 32.962
HIERARCH ESO ISS PBLA34 START 321.558
HIERARCH ESO ISS PBLA34 END 322.459
HIERARCH ESO ISS AMBI TAU0 START 0.007819
HIERARCH ESO ISS AMBI TAU0 END 0.00647
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.4