Exposure
ID
GRAVI.2023-01-14T01:28:44.835_1
Header ID
GRAVI.2023-01-14T01:28:44.835
Date updated
2023-01-14 01:35:58 UTC+0000
Release date
2023-01-14 01:35:58 UTC+0000
UTC Start
2023-01-14 01:28:44.835
UTC End
2023-01-14 01:28:54.435
MJD Start
59958.06163003
MJD End
59958.0617411411
Exposure time (s)
9.6
Validation level
1
Tau 0: Coherence time (s)
0.004457
Ambient temperature (°C)
11.32
Seeing (arcsec)
0.81
Observation
ID
53857
Category
science
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY, P
Target
ID
40041
Name
Nothing
RA
88.791264
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0240 25.0180 135.8000 135.8000
A0-D0 26.8750 26.9090 74.3000 74.3000
A0-C1 22.3810 22.3870 115.2100 115.1880
B2-D0 26.5780 26.5920 18.5000 18.5000
B2-C1 8.8550 8.8590 18.4050 18.4770
D0-C1 17.7240 17.7330 198.4850 198.5570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59958.06163003
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME alf Ori
HIERARCH ESO INS SOBJ NAME Nothing
RA 88.791264
DEC 7.40712
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 32.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 25.024
HIERARCH ESO ISS PBL12 END 25.018
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 26.875
HIERARCH ESO ISS PBL13 END 26.909
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.381
HIERARCH ESO ISS PBL14 END 22.387
HIERARCH ESO ISS PBLA14 START 115.21
HIERARCH ESO ISS PBLA14 END 115.188
HIERARCH ESO ISS PBL23 START 26.578
HIERARCH ESO ISS PBL23 END 26.592
HIERARCH ESO ISS PBLA23 START 18.5
HIERARCH ESO ISS PBLA23 END 18.5
HIERARCH ESO ISS PBL24 START 8.855
HIERARCH ESO ISS PBL24 END 8.859
HIERARCH ESO ISS PBLA24 START 18.405
HIERARCH ESO ISS PBLA24 END 18.477
HIERARCH ESO ISS PBL34 START 17.724
HIERARCH ESO ISS PBL34 END 17.733
HIERARCH ESO ISS PBLA34 START 198.485
HIERARCH ESO ISS PBLA34 END 198.557
HIERARCH ESO ISS AMBI TAU0 START 0.004457
HIERARCH ESO ISS AMBI TAU0 END 0.004457
HIERARCH ESO ISS AMBI TEMP 11.32
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME Betelgeuse
HIERARCH ESO FT ROBJ ALPHA 055510.305
HIERARCH ESO FT ROBJ DELTA 072425.430