Exposure
ID
GRAVI.2022-12-20T02:58:33.306_1
Header ID
GRAVI.2022-12-20T02:58:33.306
Date updated
2022-12-20 03:11:05 UTC+0000
Release date
2023-12-20 03:11:05 UTC+0000
UTC Start
2022-12-20 02:58:33.306
UTC End
2022-12-20 03:01:13.306
MJD Start
59933.1239966
MJD End
59933.1258484519
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006785
Ambient temperature (°C)
12.14
Seeing (arcsec)
0.84
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 84.2880 84.6240 104.6000 105.0000
A0-J2 122.3560 122.7880 80.0000 80.5000
A0-K0 124.4180 124.6850 57.9890 58.4830
G1-J2 57.5860 57.6470 42.6000 43.0000
G1-K0 90.4350 90.4260 15.3510 15.7470
J2-K0 47.2430 47.2820 341.4740 341.7490
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 59933.1239966
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 84.288
HIERARCH ESO ISS PBL12 END 84.624
HIERARCH ESO ISS PBLA12 START 104.6
HIERARCH ESO ISS PBLA12 END 105.0
HIERARCH ESO ISS PBL13 START 122.356
HIERARCH ESO ISS PBL13 END 122.788
HIERARCH ESO ISS PBLA13 START 80.0
HIERARCH ESO ISS PBLA13 END 80.5
HIERARCH ESO ISS PBL14 START 124.418
HIERARCH ESO ISS PBL14 END 124.685
HIERARCH ESO ISS PBLA14 START 57.989
HIERARCH ESO ISS PBLA14 END 58.483
HIERARCH ESO ISS PBL23 START 57.586
HIERARCH ESO ISS PBL23 END 57.647
HIERARCH ESO ISS PBLA23 START 42.6
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 90.435
HIERARCH ESO ISS PBL24 END 90.426
HIERARCH ESO ISS PBLA24 START 15.351
HIERARCH ESO ISS PBLA24 END 15.747
HIERARCH ESO ISS PBL34 START 47.243
HIERARCH ESO ISS PBL34 END 47.282
HIERARCH ESO ISS PBLA34 START 341.474
HIERARCH ESO ISS PBLA34 END 341.749
HIERARCH ESO ISS AMBI TAU0 START 0.007387
HIERARCH ESO ISS AMBI TAU0 END 0.006183
HIERARCH ESO ISS AMBI TEMP 12.14
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.86