Exposure
ID
GRAVI.2025-07-22T09:11:15.639_1
Header ID
GRAVI.2025-07-22T09:11:15.639
Date updated
2025-07-22 09:25:46 UTC+0000
Release date
2026-07-22 09:25:46 UTC+0000
UTC Start
2025-07-22 09:11:15.639
UTC End
2025-07-22 09:17:55.639
MJD Start
60878.3828199
MJD End
60878.387449529626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.00562
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.47
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 73.7680 74.4180 70.0000 71.7000
A0-J2 121.4180 121.8680 50.2000 52.0000
A0-K0 127.6800 127.7440 35.1520 36.7520
G1-J2 57.6520 57.6050 24.6000 26.1000
G1-K0 79.2510 79.2150 3.0450 4.1870
J2-K0 33.2740 33.5500 323.4540 324.3650
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 60878.3828199
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 73.768
HIERARCH ESO ISS PBL12 END 74.418
HIERARCH ESO ISS PBLA12 START 70.0
HIERARCH ESO ISS PBLA12 END 71.7
HIERARCH ESO ISS PBL13 START 121.418
HIERARCH ESO ISS PBL13 END 121.868
HIERARCH ESO ISS PBLA13 START 50.2
HIERARCH ESO ISS PBLA13 END 52.0
HIERARCH ESO ISS PBL14 START 127.68
HIERARCH ESO ISS PBL14 END 127.744
HIERARCH ESO ISS PBLA14 START 35.152
HIERARCH ESO ISS PBLA14 END 36.752
HIERARCH ESO ISS PBL23 START 57.652
HIERARCH ESO ISS PBL23 END 57.605
HIERARCH ESO ISS PBLA23 START 24.6
HIERARCH ESO ISS PBLA23 END 26.1
HIERARCH ESO ISS PBL24 START 79.251
HIERARCH ESO ISS PBL24 END 79.215
HIERARCH ESO ISS PBLA24 START 3.045
HIERARCH ESO ISS PBLA24 END 4.187
HIERARCH ESO ISS PBL34 START 33.274
HIERARCH ESO ISS PBL34 END 33.55
HIERARCH ESO ISS PBLA34 START 323.454
HIERARCH ESO ISS PBLA34 END 324.365
HIERARCH ESO ISS AMBI TAU0 START 0.006446
HIERARCH ESO ISS AMBI TAU0 END 0.004794
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.51