Exposure
ID
GRAVI.2025-12-13T06:04:57.598_1
Header ID
GRAVI.2025-12-13T06:04:57.598
Date updated
2025-12-13 06:21:01 UTC+0000
Release date
2026-12-13 06:21:00 UTC+0000
UTC Start
2025-12-13 06:04:57.598
UTC End
2025-12-13 06:10:57.598
MJD Start
61022.25344442
MJD End
61022.257611086665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002652
Ambient temperature (°C)
10.38
Seeing (arcsec)
1.01
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 86.6170 86.2390 139.3000 140.6000
A0-J2 115.5710 114.4260 116.6000 117.9000
A0-K0 108.5330 107.0270 92.3330 93.3350
G1-J2 48.9190 48.2450 73.4000 74.2000
G1-K0 80.3700 79.7720 40.3180 40.7800
J2-K0 47.6140 47.5890 6.1620 6.8620
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 61022.25344442
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 86.617
HIERARCH ESO ISS PBL12 END 86.239
HIERARCH ESO ISS PBLA12 START 139.3
HIERARCH ESO ISS PBLA12 END 140.6
HIERARCH ESO ISS PBL13 START 115.571
HIERARCH ESO ISS PBL13 END 114.426
HIERARCH ESO ISS PBLA13 START 116.6
HIERARCH ESO ISS PBLA13 END 117.9
HIERARCH ESO ISS PBL14 START 108.533
HIERARCH ESO ISS PBL14 END 107.027
HIERARCH ESO ISS PBLA14 START 92.333
HIERARCH ESO ISS PBLA14 END 93.335
HIERARCH ESO ISS PBL23 START 48.919
HIERARCH ESO ISS PBL23 END 48.245
HIERARCH ESO ISS PBLA23 START 73.4
HIERARCH ESO ISS PBLA23 END 74.2
HIERARCH ESO ISS PBL24 START 80.37
HIERARCH ESO ISS PBL24 END 79.772
HIERARCH ESO ISS PBLA24 START 40.318
HIERARCH ESO ISS PBLA24 END 40.78
HIERARCH ESO ISS PBL34 START 47.614
HIERARCH ESO ISS PBL34 END 47.589
HIERARCH ESO ISS PBLA34 START 6.162
HIERARCH ESO ISS PBLA34 END 6.862
HIERARCH ESO ISS AMBI TAU0 START 0.002827
HIERARCH ESO ISS AMBI TAU0 END 0.002477
HIERARCH ESO ISS AMBI TEMP 10.38
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 0.98