Exposure
ID
GRAVI.2023-01-14T01:26:41.830_1
Header ID
GRAVI.2023-01-14T01:26:41.830
Date updated
2023-01-14 01:31:12 UTC+0000
Release date
2023-01-14 01:31:12 UTC+0000
UTC Start
2023-01-14 01:26:41.830
UTC End
2023-01-14 01:26:51.430
MJD Start
59958.06020636
MJD End
59958.0603174711
Exposure time (s)
9.6
Validation level
1
Tau 0: Coherence time (s)
0.00428
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.87
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 25.0460 25.0410 135.8000 135.8000
A0-D0 26.7250 26.7600 74.3000 74.3000
A0-C1 22.3530 22.3600 115.3070 115.2840
B2-D0 26.5190 26.5320 18.1000 18.2000
B2-C1 8.8350 8.8390 18.0840 18.1570
D0-C1 17.6840 17.6930 198.1630 198.2360
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 59958.06020636
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 25.046
HIERARCH ESO ISS PBL12 END 25.041
HIERARCH ESO ISS PBLA12 START 135.8
HIERARCH ESO ISS PBLA12 END 135.8
HIERARCH ESO ISS PBL13 START 26.725
HIERARCH ESO ISS PBL13 END 26.76
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 22.353
HIERARCH ESO ISS PBL14 END 22.36
HIERARCH ESO ISS PBLA14 START 115.307
HIERARCH ESO ISS PBLA14 END 115.284
HIERARCH ESO ISS PBL23 START 26.519
HIERARCH ESO ISS PBL23 END 26.532
HIERARCH ESO ISS PBLA23 START 18.1
HIERARCH ESO ISS PBLA23 END 18.2
HIERARCH ESO ISS PBL24 START 8.835
HIERARCH ESO ISS PBL24 END 8.839
HIERARCH ESO ISS PBLA24 START 18.084
HIERARCH ESO ISS PBLA24 END 18.157
HIERARCH ESO ISS PBL34 START 17.684
HIERARCH ESO ISS PBL34 END 17.693
HIERARCH ESO ISS PBLA34 START 198.163
HIERARCH ESO ISS PBLA34 END 198.236
HIERARCH ESO ISS AMBI TAU0 START 0.00428
HIERARCH ESO ISS AMBI TAU0 END 0.00428
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.87
HIERARCH ESO FT ROBJ NAME Betelgeuse
HIERARCH ESO FT ROBJ ALPHA 055510.305
HIERARCH ESO FT ROBJ DELTA 072425.430