Exposure
ID
GRAVI.2023-05-25T02:48:38.123_1
Header ID
GRAVI.2023-05-25T02:48:38.123
Date updated
2023-05-25 03:05:41 UTC+0000
Release date
2023-05-25 02:48:38 UTC+0000
UTC Start
2023-05-25 02:48:38.123
UTC End
2023-05-25 02:54:38.123
MJD Start
60089.11710791
MJD End
60089.1212745767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045155
Ambient temperature (°C)
11.16
Seeing (arcsec)
0.48
Observation
ID
55583
Category
calibrator
Program ID
111.24JN.002
Program Title
ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
Program Type
Normal
PI / COI
SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
ID
41156
Name
HD_107837
RA
185.936123
DEC
-62.50513
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1690 90.2350 134.7000 136.0000
A0-J2 127.0390 126.7670 117.4000 118.8000
A0-K0 116.6710 116.0070 99.5190 100.9800
G1-J2 48.9390 48.5380 84.1000 85.5000
G1-K0 67.3450 66.7590 49.1260 50.1020
J2-K0 39.1510 39.1270 3.2800 4.1480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60089.11710791
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_107837
HIERARCH ESO INS SOBJ NAME HD_107837
RA 185.936123
DEC -62.50513
HIERARCH ESO INS SPEC RES MEDIUM
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.169
HIERARCH ESO ISS PBL12 END 90.235
HIERARCH ESO ISS PBLA12 START 134.7
HIERARCH ESO ISS PBLA12 END 136.0
HIERARCH ESO ISS PBL13 START 127.039
HIERARCH ESO ISS PBL13 END 126.767
HIERARCH ESO ISS PBLA13 START 117.4
HIERARCH ESO ISS PBLA13 END 118.8
HIERARCH ESO ISS PBL14 START 116.671
HIERARCH ESO ISS PBL14 END 116.007
HIERARCH ESO ISS PBLA14 START 99.519
HIERARCH ESO ISS PBLA14 END 100.98
HIERARCH ESO ISS PBL23 START 48.939
HIERARCH ESO ISS PBL23 END 48.538
HIERARCH ESO ISS PBLA23 START 84.1
HIERARCH ESO ISS PBLA23 END 85.5
HIERARCH ESO ISS PBL24 START 67.345
HIERARCH ESO ISS PBL24 END 66.759
HIERARCH ESO ISS PBLA24 START 49.126
HIERARCH ESO ISS PBLA24 END 50.102
HIERARCH ESO ISS PBL34 START 39.151
HIERARCH ESO ISS PBL34 END 39.127
HIERARCH ESO ISS PBLA34 START 3.28
HIERARCH ESO ISS PBLA34 END 4.148
HIERARCH ESO ISS AMBI TAU0 START 0.004691
HIERARCH ESO ISS AMBI TAU0 END 0.00434
HIERARCH ESO ISS AMBI TEMP 11.16
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.52