Exposure
ID
GRAVI.2020-11-30T05:51:15.744_1
Header ID
GRAVI.2020-11-30T05:51:15.744
Date updated
2020-11-30 06:00:30 UTC+0000
Release date
2020-11-30 06:00:30 UTC+0000
UTC Start
2020-11-30 05:51:15.744
UTC End
2020-11-30 05:51:20.544
MJD Start
59183.24393222
MJD End
59183.2439877756
Exposure time (s)
4.8
Validation level
1
Tau 0: Coherence time (s)
0.003806
Ambient temperature (°C)
15.69
Seeing (arcsec)
1.04
Observation
ID
45983
Category
science
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY, P
Target
ID
34607
Name
Betelgeuse
RA
88.790827
DEC
7.40712
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.6810 88.6580 112.6000 112.6000
A0-J2 129.2290 129.2310 92.7000 92.7000
A0-K0 125.2180 125.2530 73.9080 73.9060
G1-J2 54.9000 54.9220 59.3000 59.3000
G1-K0 78.7610 78.7910 29.1950 29.2280
J2-K0 41.6540 41.6470 347.8250 347.8650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59183.24393222
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME Betelgeuse
HIERARCH ESO INS SOBJ NAME Betelgeuse
RA 88.790827
DEC 7.40712
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 23.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 88.681
HIERARCH ESO ISS PBL12 END 88.658
HIERARCH ESO ISS PBLA12 START 112.6
HIERARCH ESO ISS PBLA12 END 112.6
HIERARCH ESO ISS PBL13 START 129.229
HIERARCH ESO ISS PBL13 END 129.231
HIERARCH ESO ISS PBLA13 START 92.7
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 125.218
HIERARCH ESO ISS PBL14 END 125.253
HIERARCH ESO ISS PBLA14 START 73.908
HIERARCH ESO ISS PBLA14 END 73.906
HIERARCH ESO ISS PBL23 START 54.9
HIERARCH ESO ISS PBL23 END 54.922
HIERARCH ESO ISS PBLA23 START 59.3
HIERARCH ESO ISS PBLA23 END 59.3
HIERARCH ESO ISS PBL24 START 78.761
HIERARCH ESO ISS PBL24 END 78.791
HIERARCH ESO ISS PBLA24 START 29.195
HIERARCH ESO ISS PBLA24 END 29.228
HIERARCH ESO ISS PBL34 START 41.654
HIERARCH ESO ISS PBL34 END 41.647
HIERARCH ESO ISS PBLA34 START 347.825
HIERARCH ESO ISS PBLA34 END 347.865
HIERARCH ESO ISS AMBI TAU0 START 0.003806
HIERARCH ESO ISS AMBI TAU0 END 0.003806
HIERARCH ESO ISS AMBI TEMP 15.69
HIERARCH ESO ISS AMBI FWHM START 1.04
HIERARCH ESO ISS AMBI FWHM END 1.04