Exposure
ID
GRAVI.2022-11-29T03:51:09.760_1
Header ID
GRAVI.2022-11-29T03:51:09.760
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 03:51:09.760
UTC End
2022-11-29 03:53:49.760
MJD Start
59912.16052963
MJD End
59912.1623814819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0028035
Ambient temperature (°C)
12.8
Seeing (arcsec)
1.165
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 80.3310 80.7640 101.0000 101.4000
A0-J2 117.2640 117.8200 75.3000 75.8000
A0-K0 121.2440 121.5900 52.7550 53.2960
G1-J2 56.8430 56.9250 37.5000 38.0000
G1-K0 90.4810 90.4790 11.2630 11.6750
J2-K0 46.7830 46.8340 338.8170 339.0730
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 59912.16052963
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 80.331
HIERARCH ESO ISS PBL12 END 80.764
HIERARCH ESO ISS PBLA12 START 101.0
HIERARCH ESO ISS PBLA12 END 101.4
HIERARCH ESO ISS PBL13 START 117.264
HIERARCH ESO ISS PBL13 END 117.82
HIERARCH ESO ISS PBLA13 START 75.3
HIERARCH ESO ISS PBLA13 END 75.8
HIERARCH ESO ISS PBL14 START 121.244
HIERARCH ESO ISS PBL14 END 121.59
HIERARCH ESO ISS PBLA14 START 52.755
HIERARCH ESO ISS PBLA14 END 53.296
HIERARCH ESO ISS PBL23 START 56.843
HIERARCH ESO ISS PBL23 END 56.925
HIERARCH ESO ISS PBLA23 START 37.5
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 90.481
HIERARCH ESO ISS PBL24 END 90.479
HIERARCH ESO ISS PBLA24 START 11.263
HIERARCH ESO ISS PBLA24 END 11.675
HIERARCH ESO ISS PBL34 START 46.783
HIERARCH ESO ISS PBL34 END 46.834
HIERARCH ESO ISS PBLA34 START 338.817
HIERARCH ESO ISS PBLA34 END 339.073
HIERARCH ESO ISS AMBI TAU0 START 0.002339
HIERARCH ESO ISS AMBI TAU0 END 0.003268
HIERARCH ESO ISS AMBI TEMP 12.8
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 0.99