Exposure
ID
GRAVI.2023-05-25T02:35:05.089_1
Header ID
GRAVI.2023-05-25T02:35:05.089
Date updated
2023-05-25 02:51:04 UTC+0000
Release date
2023-05-25 02:35:05 UTC+0000
UTC Start
2023-05-25 02:35:05.089
UTC End
2023-05-25 02:41:05.089
MJD Start
60089.10769779
MJD End
60089.1118644567
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003921
Ambient temperature (°C)
11.06
Seeing (arcsec)
0.545
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 89.9960 90.0820 131.7000 133.1000
A0-J2 127.5820 127.3370 114.2000 115.7000
A0-K0 118.0460 117.4150 96.4140 97.8540
G1-J2 49.7730 49.3900 81.3000 82.6000
G1-K0 68.5550 68.0000 47.0290 48.0050
J2-K0 39.1830 39.1710 1.4160 2.2840
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 60089.10769779
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 89.996
HIERARCH ESO ISS PBL12 END 90.082
HIERARCH ESO ISS PBLA12 START 131.7
HIERARCH ESO ISS PBLA12 END 133.1
HIERARCH ESO ISS PBL13 START 127.582
HIERARCH ESO ISS PBL13 END 127.337
HIERARCH ESO ISS PBLA13 START 114.2
HIERARCH ESO ISS PBLA13 END 115.7
HIERARCH ESO ISS PBL14 START 118.046
HIERARCH ESO ISS PBL14 END 117.415
HIERARCH ESO ISS PBLA14 START 96.414
HIERARCH ESO ISS PBLA14 END 97.854
HIERARCH ESO ISS PBL23 START 49.773
HIERARCH ESO ISS PBL23 END 49.39
HIERARCH ESO ISS PBLA23 START 81.3
HIERARCH ESO ISS PBLA23 END 82.6
HIERARCH ESO ISS PBL24 START 68.555
HIERARCH ESO ISS PBL24 END 68.0
HIERARCH ESO ISS PBLA24 START 47.029
HIERARCH ESO ISS PBLA24 END 48.005
HIERARCH ESO ISS PBL34 START 39.183
HIERARCH ESO ISS PBL34 END 39.171
HIERARCH ESO ISS PBLA34 START 1.416
HIERARCH ESO ISS PBLA34 END 2.284
HIERARCH ESO ISS AMBI TAU0 START 0.004062
HIERARCH ESO ISS AMBI TAU0 END 0.00378
HIERARCH ESO ISS AMBI TEMP 11.06
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.54