Exposure
ID
GRAVI.2023-05-25T00:15:50.111_1
Header ID
GRAVI.2023-05-25T00:15:50.111
Date updated
2023-05-25 00:30:43 UTC+0000
Release date
2023-05-25 00:15:50 UTC+0000
UTC Start
2023-05-25 00:15:50.111
UTC End
2023-05-25 00:21:10.111
MJD Start
60089.01099665
MJD End
60089.014700353706
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0038695
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.715
Observation
ID
55579
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
40914
Name
HD_98677
RA
170.13858
DEC
-58.58961
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 88.6490 88.8520 116.4000 117.6000
A0-J2 129.2050 129.1580 97.0000 98.2000
A0-K0 124.5630 124.1820 78.6490 79.8220
G1-J2 54.2710 54.0230 64.2000 65.2000
G1-K0 76.9280 76.5820 33.7520 34.5790
J2-K0 40.7730 40.8210 351.3890 352.1230
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 60089.01099665
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_98677
HIERARCH ESO INS SOBJ NAME HD_98677
RA 170.13858
DEC -58.58961
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 88.649
HIERARCH ESO ISS PBL12 END 88.852
HIERARCH ESO ISS PBLA12 START 116.4
HIERARCH ESO ISS PBLA12 END 117.6
HIERARCH ESO ISS PBL13 START 129.205
HIERARCH ESO ISS PBL13 END 129.158
HIERARCH ESO ISS PBLA13 START 97.0
HIERARCH ESO ISS PBLA13 END 98.2
HIERARCH ESO ISS PBL14 START 124.563
HIERARCH ESO ISS PBL14 END 124.182
HIERARCH ESO ISS PBLA14 START 78.649
HIERARCH ESO ISS PBLA14 END 79.822
HIERARCH ESO ISS PBL23 START 54.271
HIERARCH ESO ISS PBL23 END 54.023
HIERARCH ESO ISS PBLA23 START 64.2
HIERARCH ESO ISS PBLA23 END 65.2
HIERARCH ESO ISS PBL24 START 76.928
HIERARCH ESO ISS PBL24 END 76.582
HIERARCH ESO ISS PBLA24 START 33.752
HIERARCH ESO ISS PBLA24 END 34.579
HIERARCH ESO ISS PBL34 START 40.773
HIERARCH ESO ISS PBL34 END 40.821
HIERARCH ESO ISS PBLA34 START 351.389
HIERARCH ESO ISS PBLA34 END 352.123
HIERARCH ESO ISS AMBI TAU0 START 0.004386
HIERARCH ESO ISS AMBI TAU0 END 0.003353
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.82