Exposure
ID
GRAVI.2022-11-29T03:54:24.768_1
Header ID
GRAVI.2022-11-29T03:54:24.768
Date updated
2022-11-29 04:01:13 UTC+0000
Release date
2023-11-29 04:01:13 UTC+0000
UTC Start
2022-11-29 03:54:24.768
UTC End
2022-11-29 03:57:04.768
MJD Start
59912.16278667
MJD End
59912.1646385219
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032265
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.955
Observation
ID
53340
Category
science
Program ID
110.23Z7.001
Program Title
SUBDWARF COMPANIONS AND ORIGIN OF BE STARS: TOWARDS THE FIRST STATISTICALLY SIGNIFICANT SET OF FUNDAMENTAL PARAMETERS
Program Type
Normal
PI / COI
KLEMENT/ RIVINIUS/ BAADE/ MÉRAND
Target
ID
39670
Name
alf_Col
RA
84.909584
DEC
-34.07424
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.8080 81.2300 101.4000 101.8000
A0-J2 117.8760 118.4190 75.8000 76.3000
A0-K0 121.6240 121.9630 53.3500 53.8780
G1-J2 56.9330 57.0130 38.0000 38.6000
G1-K0 90.4790 90.4770 11.7160 12.1200
J2-K0 46.8390 46.8880 339.0990 339.3490
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23Z7.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59912.16278667
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alf Col
HIERARCH ESO INS SOBJ NAME alf_Col
RA 84.909584
DEC -34.07424
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 80.808
HIERARCH ESO ISS PBL12 END 81.23
HIERARCH ESO ISS PBLA12 START 101.4
HIERARCH ESO ISS PBLA12 END 101.8
HIERARCH ESO ISS PBL13 START 117.876
HIERARCH ESO ISS PBL13 END 118.419
HIERARCH ESO ISS PBLA13 START 75.8
HIERARCH ESO ISS PBLA13 END 76.3
HIERARCH ESO ISS PBL14 START 121.624
HIERARCH ESO ISS PBL14 END 121.963
HIERARCH ESO ISS PBLA14 START 53.35
HIERARCH ESO ISS PBLA14 END 53.878
HIERARCH ESO ISS PBL23 START 56.933
HIERARCH ESO ISS PBL23 END 57.013
HIERARCH ESO ISS PBLA23 START 38.0
HIERARCH ESO ISS PBLA23 END 38.6
HIERARCH ESO ISS PBL24 START 90.479
HIERARCH ESO ISS PBL24 END 90.477
HIERARCH ESO ISS PBLA24 START 11.716
HIERARCH ESO ISS PBLA24 END 12.12
HIERARCH ESO ISS PBL34 START 46.839
HIERARCH ESO ISS PBL34 END 46.888
HIERARCH ESO ISS PBLA34 START 339.099
HIERARCH ESO ISS PBLA34 END 339.349
HIERARCH ESO ISS AMBI TAU0 START 0.003268
HIERARCH ESO ISS AMBI TAU0 END 0.003185
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.92