Exposure
ID
GRAVI.2025-11-10T04:29:31.116_1
Header ID
GRAVI.2025-11-10T04:29:31.116
Date updated
2025-11-10 04:36:01 UTC+0000
Release date
2025-11-10 04:29:31 UTC+0000
UTC Start
2025-11-10 04:29:31.116
UTC End
2025-11-10 04:30:11.116
MJD Start
60989.1871657
MJD End
60989.18762866296
Exposure time (s)
40.0
Validation level
1
Tau 0: Coherence time (s)
0.00468
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.495
Observation
ID
71383
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
53004
Name
hd25535b
RA
60.519454
DEC
-34.48259
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.4080 56.4030 19.5000 19.6000
U1-U3 102.3350 102.3290 25.7000 25.8000
U1-U4 129.7180 129.7450 52.7060 52.8330
U2-U3 46.6400 46.6390 33.1000 33.2000
U2-U4 88.0850 88.1290 73.2140 73.3410
U3-U4 60.4370 60.4840 103.0470 103.1550
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 60989.1871657
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd25535b
HIERARCH ESO INS SOBJ NAME hd25535b
RA 60.519454
DEC -34.48259
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 56.408
HIERARCH ESO ISS PBL12 END 56.403
HIERARCH ESO ISS PBLA12 START 19.5
HIERARCH ESO ISS PBLA12 END 19.6
HIERARCH ESO ISS PBL13 START 102.335
HIERARCH ESO ISS PBL13 END 102.329
HIERARCH ESO ISS PBLA13 START 25.7
HIERARCH ESO ISS PBLA13 END 25.8
HIERARCH ESO ISS PBL14 START 129.718
HIERARCH ESO ISS PBL14 END 129.745
HIERARCH ESO ISS PBLA14 START 52.706
HIERARCH ESO ISS PBLA14 END 52.833
HIERARCH ESO ISS PBL23 START 46.64
HIERARCH ESO ISS PBL23 END 46.639
HIERARCH ESO ISS PBLA23 START 33.1
HIERARCH ESO ISS PBLA23 END 33.2
HIERARCH ESO ISS PBL24 START 88.085
HIERARCH ESO ISS PBL24 END 88.129
HIERARCH ESO ISS PBLA24 START 73.214
HIERARCH ESO ISS PBLA24 END 73.341
HIERARCH ESO ISS PBL34 START 60.437
HIERARCH ESO ISS PBL34 END 60.484
HIERARCH ESO ISS PBLA34 START 103.047
HIERARCH ESO ISS PBLA34 END 103.155
HIERARCH ESO ISS AMBI TAU0 START 0.004797
HIERARCH ESO ISS AMBI TAU0 END 0.004563
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.5
HIERARCH ESO FT ROBJ NAME hd25535b
HIERARCH ESO FT ROBJ ALPHA 040203.449
HIERARCH ESO FT ROBJ DELTA -342855.808