Exposure
ID
GRAVI.2021-10-20T02:09:47.798_1
Header ID
GRAVI.2021-10-20T02:09:47.798
Date updated
2021-10-20 02:21:27 UTC+0000
Release date
2022-10-20 02:21:27 UTC+0000
UTC Start
2021-10-20 02:09:47.798
UTC End
2021-10-20 02:12:11.798
MJD Start
59507.09013655
MJD End
59507.0918032167
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.0028275
Ambient temperature (°C)
11.57
Seeing (arcsec)
0.95
Observation
ID
48574
Category
science
Program ID
5102.C-0122(D)
Program Title
EXTREME SOLAR SYSTEM. TAKING A CLOSER LOOK WITH THE VLTI/GRAVITY DUAL-FIELD CAPABILITY.
Program Type
Monitoring
PI / COI
CHAUVIN/ FORVEILLE/ BERGER/ BEUST/ BOUCHY/ CORREIA/ FARAMAZ/ HAGELBERG/ JENKINS/ KERVELLA/ LAGRANGE/ MELO/ MENDEZ/ MOUTOU/ REY/ SANTOS/ THEBAULT
Target
ID
36396
Name
HD196885_A
RA
309.968705
DEC
11.24999
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.8360 55.8980 35.8000 35.7000
U1-U3 102.1720 102.2260 39.6000 39.5000
U1-U4 123.6610 123.2410 56.7690 56.5010
U2-U3 46.6100 46.5940 44.2000 44.0000
U2-U4 74.2840 73.7030 72.4040 72.1210
U3-U4 39.8660 39.3020 105.9720 106.0670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 5102.C-0122(D)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59507.09013655
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD196885_A
HIERARCH ESO INS SOBJ NAME HD196885_A
RA 309.968705
DEC 11.24999
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 55.836
HIERARCH ESO ISS PBL12 END 55.898
HIERARCH ESO ISS PBLA12 START 35.8
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 102.172
HIERARCH ESO ISS PBL13 END 102.226
HIERARCH ESO ISS PBLA13 START 39.6
HIERARCH ESO ISS PBLA13 END 39.5
HIERARCH ESO ISS PBL14 START 123.661
HIERARCH ESO ISS PBL14 END 123.241
HIERARCH ESO ISS PBLA14 START 56.769
HIERARCH ESO ISS PBLA14 END 56.501
HIERARCH ESO ISS PBL23 START 46.61
HIERARCH ESO ISS PBL23 END 46.594
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.0
HIERARCH ESO ISS PBL24 START 74.284
HIERARCH ESO ISS PBL24 END 73.703
HIERARCH ESO ISS PBLA24 START 72.404
HIERARCH ESO ISS PBLA24 END 72.121
HIERARCH ESO ISS PBL34 START 39.866
HIERARCH ESO ISS PBL34 END 39.302
HIERARCH ESO ISS PBLA34 START 105.972
HIERARCH ESO ISS PBLA34 END 106.067
HIERARCH ESO ISS AMBI TAU0 START 0.003101
HIERARCH ESO ISS AMBI TAU0 END 0.002554
HIERARCH ESO ISS AMBI TEMP 11.57
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 1.01
HIERARCH ESO FT ROBJ NAME HD196885_B
HIERARCH ESO FT ROBJ ALPHA 203951.8959
HIERARCH ESO FT ROBJ DELTA 111459.1280