Exposure
ID
GRAVI.2025-10-02T08:53:07.485_1
Header ID
GRAVI.2025-10-02T08:53:07.485
Date updated
2025-10-02 09:01:13 UTC+0000
Release date
2025-10-02 08:53:07 UTC+0000
UTC Start
2025-10-02 08:53:07.485
UTC End
2025-10-02 08:55:07.485
MJD Start
60950.37022552
MJD End
60950.37161440888
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.010442
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.72
Observation
ID
70560
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
52325
Name
HD42026
RA
91.274011
DEC
-56.23293
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.6510 83.8350 99.1000 99.5000
A0-J2 126.8750 127.0040 78.0000 78.5000
A0-K0 127.9590 127.9470 59.7150 60.1770
G1-J2 57.3690 57.3300 46.3000 46.8000
G1-K0 82.6070 82.5390 19.7420 20.0760
J2-K0 40.5000 40.5490 340.3780 340.6480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60950.37022552
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD42026
HIERARCH ESO INS SOBJ NAME HD42026
RA 91.274011
DEC -56.23293
HIERARCH ESO INS SPEC RES MEDIUM
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 134.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 83.651
HIERARCH ESO ISS PBL12 END 83.835
HIERARCH ESO ISS PBLA12 START 99.1
HIERARCH ESO ISS PBLA12 END 99.5
HIERARCH ESO ISS PBL13 START 126.875
HIERARCH ESO ISS PBL13 END 127.004
HIERARCH ESO ISS PBLA13 START 78.0
HIERARCH ESO ISS PBLA13 END 78.5
HIERARCH ESO ISS PBL14 START 127.959
HIERARCH ESO ISS PBL14 END 127.947
HIERARCH ESO ISS PBLA14 START 59.715
HIERARCH ESO ISS PBLA14 END 60.177
HIERARCH ESO ISS PBL23 START 57.369
HIERARCH ESO ISS PBL23 END 57.33
HIERARCH ESO ISS PBLA23 START 46.3
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 82.607
HIERARCH ESO ISS PBL24 END 82.539
HIERARCH ESO ISS PBLA24 START 19.742
HIERARCH ESO ISS PBLA24 END 20.076
HIERARCH ESO ISS PBL34 START 40.5
HIERARCH ESO ISS PBL34 END 40.549
HIERARCH ESO ISS PBLA34 START 340.378
HIERARCH ESO ISS PBLA34 END 340.648
HIERARCH ESO ISS AMBI TAU0 START 0.009991
HIERARCH ESO ISS AMBI TAU0 END 0.010893
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.68
HIERARCH ESO FT ROBJ NAME HD42026
HIERARCH ESO FT ROBJ ALPHA 060506.721
HIERARCH ESO FT ROBJ DELTA -561359.145