Exposure
ID
GRAVI.2023-05-22T23:56:47.866_1
Header ID
GRAVI.2023-05-22T23:56:47.866
Date updated
2023-05-23 00:10:57 UTC+0000
Release date
2024-05-23 00:10:57 UTC+0000
UTC Start
2023-05-22 23:56:47.866
UTC End
2023-05-23 00:03:27.866
MJD Start
60086.99777623
MJD End
60087.0024058596
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0053185
Ambient temperature (°C)
13.96
Seeing (arcsec)
0.4
Observation
ID
55534
Category
science
Program ID
111.24JN.004
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
41132
Name
WR_28
RA
162.240296
DEC
-59.06036
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 88.7550 88.9890 117.3000 118.7000
A0-J2 129.1720 129.0940 98.1000 99.6000
A0-K0 124.2000 123.7120 79.7490 81.2030
G1-J2 53.9890 53.6740 65.2000 66.6000
G1-K0 76.3140 75.8770 34.6150 35.6380
J2-K0 40.5990 40.6540 351.9640 352.8750
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24JN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60086.99777623
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WR_28
HIERARCH ESO INS SOBJ NAME WR_28
RA 162.240296
DEC -59.06036
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 88.755
HIERARCH ESO ISS PBL12 END 88.989
HIERARCH ESO ISS PBLA12 START 117.3
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 129.172
HIERARCH ESO ISS PBL13 END 129.094
HIERARCH ESO ISS PBLA13 START 98.1
HIERARCH ESO ISS PBLA13 END 99.6
HIERARCH ESO ISS PBL14 START 124.2
HIERARCH ESO ISS PBL14 END 123.712
HIERARCH ESO ISS PBLA14 START 79.749
HIERARCH ESO ISS PBLA14 END 81.203
HIERARCH ESO ISS PBL23 START 53.989
HIERARCH ESO ISS PBL23 END 53.674
HIERARCH ESO ISS PBLA23 START 65.2
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 76.314
HIERARCH ESO ISS PBL24 END 75.877
HIERARCH ESO ISS PBLA24 START 34.615
HIERARCH ESO ISS PBLA24 END 35.638
HIERARCH ESO ISS PBL34 START 40.599
HIERARCH ESO ISS PBL34 END 40.654
HIERARCH ESO ISS PBLA34 START 351.964
HIERARCH ESO ISS PBLA34 END 352.875
HIERARCH ESO ISS AMBI TAU0 START 0.005399
HIERARCH ESO ISS AMBI TAU0 END 0.005238
HIERARCH ESO ISS AMBI TEMP 13.96
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.44