Exposure
- ID
- GRAVI.2023-08-20T02:20:01.170_1
- Header ID
- GRAVI.2023-08-20T02:20:01.170
- Date updated
- 2023-08-20 02:35:24 UTC+0000
- Release date
- 2023-08-20 02:20:01 UTC+0000
- UTC Start
- 2023-08-20 02:20:01.170
- UTC End
- 2023-08-20 02:25:21.170
- MJD Start
- 60176.09723576
- MJD End
- 60176.1009394637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003319
- Ambient temperature (°C)
- 11.35
- Seeing (arcsec)
- 0.8700000000000001
Observation
- ID
- 56657
- 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
- 41966
- Name
- HD_155808
- RA
- 258.882528
- DEC
- -38.08615
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.2980 | 86.9810 | 137.7000 | 138.8000 |
| A0-J2 | 117.3220 | 116.3520 | 115.1000 | 116.3000 |
| A0-K0 | 110.5380 | 109.2600 | 91.3020 | 92.1990 |
| G1-J2 | 49.7200 | 49.1460 | 72.8000 | 73.4000 |
| G1-K0 | 80.8580 | 80.3420 | 39.8370 | 40.2780 |
| J2-K0 | 47.5460 | 47.5260 | 5.2040 | 5.8380 |
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 | 60176.09723576 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD_155808 |
| HIERARCH ESO INS SOBJ NAME | HD_155808 |
| RA | 258.882528 |
| DEC | -38.08615 |
| 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 | 87.298 |
| HIERARCH ESO ISS PBL12 END | 86.981 |
| HIERARCH ESO ISS PBLA12 START | 137.7 |
| HIERARCH ESO ISS PBLA12 END | 138.8 |
| HIERARCH ESO ISS PBL13 START | 117.322 |
| HIERARCH ESO ISS PBL13 END | 116.352 |
| HIERARCH ESO ISS PBLA13 START | 115.1 |
| HIERARCH ESO ISS PBLA13 END | 116.3 |
| HIERARCH ESO ISS PBL14 START | 110.538 |
| HIERARCH ESO ISS PBL14 END | 109.26 |
| HIERARCH ESO ISS PBLA14 START | 91.302 |
| HIERARCH ESO ISS PBLA14 END | 92.199 |
| HIERARCH ESO ISS PBL23 START | 49.72 |
| HIERARCH ESO ISS PBL23 END | 49.146 |
| HIERARCH ESO ISS PBLA23 START | 72.8 |
| HIERARCH ESO ISS PBLA23 END | 73.4 |
| HIERARCH ESO ISS PBL24 START | 80.858 |
| HIERARCH ESO ISS PBL24 END | 80.342 |
| HIERARCH ESO ISS PBLA24 START | 39.837 |
| HIERARCH ESO ISS PBLA24 END | 40.278 |
| HIERARCH ESO ISS PBL34 START | 47.546 |
| HIERARCH ESO ISS PBL34 END | 47.526 |
| HIERARCH ESO ISS PBLA34 START | 5.204 |
| HIERARCH ESO ISS PBLA34 END | 5.838 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003427 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003211 |
| HIERARCH ESO ISS AMBI TEMP | 11.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |