Exposure
ID
GRAVI.2025-05-18T23:20:00.491_1
Header ID
GRAVI.2025-05-18T23:20:00.491
Date updated
2025-05-18 23:30:53 UTC+0000
Release date
2025-05-18 23:20:00 UTC+0000
UTC Start
2025-05-18 23:20:00.491
UTC End
2025-05-18 23:20:32.491
MJD Start
60813.9722279
MJD End
60813.97259827037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.0070045
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.48
Observation
ID
67433
Category
calibrator
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
50166
Name
HD_90170
RA
155.91543
DEC
-41.95311
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.5860 24.5970 141.4000 141.5000
A0-D0 31.8390 31.8300 72.0000 72.2000
A0-C1 22.4380 22.4450 115.1630 115.3000
B2-D0 32.6620 32.6500 27.2000 27.4000
B2-C1 10.8790 10.8760 27.2020 27.3070
D0-C1 21.7820 21.7740 207.2670 207.3720
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60813.9722279
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 90170
HIERARCH ESO INS SOBJ NAME HD_90170
RA 155.91543
DEC -41.95311
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 54.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 24.586
HIERARCH ESO ISS PBL12 END 24.597
HIERARCH ESO ISS PBLA12 START 141.4
HIERARCH ESO ISS PBLA12 END 141.5
HIERARCH ESO ISS PBL13 START 31.839
HIERARCH ESO ISS PBL13 END 31.83
HIERARCH ESO ISS PBLA13 START 72.0
HIERARCH ESO ISS PBLA13 END 72.2
HIERARCH ESO ISS PBL14 START 22.438
HIERARCH ESO ISS PBL14 END 22.445
HIERARCH ESO ISS PBLA14 START 115.163
HIERARCH ESO ISS PBLA14 END 115.3
HIERARCH ESO ISS PBL23 START 32.662
HIERARCH ESO ISS PBL23 END 32.65
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 27.4
HIERARCH ESO ISS PBL24 START 10.879
HIERARCH ESO ISS PBL24 END 10.876
HIERARCH ESO ISS PBLA24 START 27.202
HIERARCH ESO ISS PBLA24 END 27.307
HIERARCH ESO ISS PBL34 START 21.782
HIERARCH ESO ISS PBL34 END 21.774
HIERARCH ESO ISS PBLA34 START 207.267
HIERARCH ESO ISS PBLA34 END 207.372
HIERARCH ESO ISS AMBI TAU0 START 0.00703
HIERARCH ESO ISS AMBI TAU0 END 0.006979
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48