Exposure
ID
GRAVI.2023-05-23T00:11:56.905_1
Header ID
GRAVI.2023-05-23T00:11:56.905
Date updated
2023-05-23 00:25:48 UTC+0000
Release date
2024-05-23 00:25:48 UTC+0000
UTC Start
2023-05-23 00:11:56.905
UTC End
2023-05-23 00:18:36.905
MJD Start
60087.00829751
MJD End
60087.0129271396
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.005382
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.38
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 89.2420 89.4360 120.4000 121.8000
A0-J2 128.9630 128.8200 101.3000 102.8000
A0-K0 123.0940 122.5360 82.9310 84.4010
G1-J2 53.2830 52.9360 68.2000 69.5000
G1-K0 75.3360 74.8570 36.8480 37.8690
J2-K0 40.7100 40.7510 353.9560 354.8730
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 60087.00829751
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 89.242
HIERARCH ESO ISS PBL12 END 89.436
HIERARCH ESO ISS PBLA12 START 120.4
HIERARCH ESO ISS PBLA12 END 121.8
HIERARCH ESO ISS PBL13 START 128.963
HIERARCH ESO ISS PBL13 END 128.82
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 102.8
HIERARCH ESO ISS PBL14 START 123.094
HIERARCH ESO ISS PBL14 END 122.536
HIERARCH ESO ISS PBLA14 START 82.931
HIERARCH ESO ISS PBLA14 END 84.401
HIERARCH ESO ISS PBL23 START 53.283
HIERARCH ESO ISS PBL23 END 52.936
HIERARCH ESO ISS PBLA23 START 68.2
HIERARCH ESO ISS PBLA23 END 69.5
HIERARCH ESO ISS PBL24 START 75.336
HIERARCH ESO ISS PBL24 END 74.857
HIERARCH ESO ISS PBLA24 START 36.848
HIERARCH ESO ISS PBLA24 END 37.869
HIERARCH ESO ISS PBL34 START 40.71
HIERARCH ESO ISS PBL34 END 40.751
HIERARCH ESO ISS PBLA34 START 353.956
HIERARCH ESO ISS PBLA34 END 354.873
HIERARCH ESO ISS AMBI TAU0 START 0.003566
HIERARCH ESO ISS AMBI TAU0 END 0.007198
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.34