Exposure
- ID
- GRAVI.2025-03-02T08:35:01.103_1
- Header ID
- GRAVI.2025-03-02T08:35:01.103
- Date updated
- 2025-03-02 08:55:43 UTC+0000
- Release date
- 2026-03-02 08:55:42 UTC+0000
- UTC Start
- 2025-03-02 08:35:01.103
- UTC End
- 2025-03-02 08:42:01.103
- MJD Start
- 60736.35765165
- MJD End
- 60736.362512761116
- Exposure time (s)
- 420.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031065
- Ambient temperature (°C)
- 14.42
- Seeing (arcsec)
- 1.125
Observation
- ID
- 64934
- Category
- science
- Program ID
- 114.27F8.001
- Program Title
- 3D ORBIT RECONSTRUCTION OF EVOLVED MASSIVE BINARY SYSTEMS
- Program Type
- Normal
- PI / COI
- MAHY / SANA / FROST / LANTHERMANN / LE BOUQUIN / GOSSET / HUTSEMEKERS
Target
- ID
- 43480
- Name
- Cl*_Westerlund_1_W_2
- RA
- 251.778061
- DEC
- -45.87478
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 77.0240 | 78.1010 | 92.1000 | 93.4000 |
| A0-J2 | 118.2490 | 119.3400 | 67.4000 | 68.9000 |
| A0-K0 | 124.5750 | 125.0610 | 47.1840 | 48.7530 |
| G1-J2 | 58.0460 | 58.1010 | 33.6000 | 35.1000 |
| G1-K0 | 88.6340 | 88.5610 | 9.3590 | 10.4560 |
| J2-K0 | 42.9670 | 43.1800 | 335.6090 | 336.3410 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.27F8.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60736.35765165 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | Cl Westerlund 1 W 243 |
| HIERARCH ESO INS SOBJ NAME | Cl*_Westerlund_1_W_2 |
| RA | 251.778061 |
| DEC | -45.87478 |
| 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 | 453.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 140 |
| HIERARCH ESO ISS PBL12 START | 77.024 |
| HIERARCH ESO ISS PBL12 END | 78.101 |
| HIERARCH ESO ISS PBLA12 START | 92.1 |
| HIERARCH ESO ISS PBLA12 END | 93.4 |
| HIERARCH ESO ISS PBL13 START | 118.249 |
| HIERARCH ESO ISS PBL13 END | 119.34 |
| HIERARCH ESO ISS PBLA13 START | 67.4 |
| HIERARCH ESO ISS PBLA13 END | 68.9 |
| HIERARCH ESO ISS PBL14 START | 124.575 |
| HIERARCH ESO ISS PBL14 END | 125.061 |
| HIERARCH ESO ISS PBLA14 START | 47.184 |
| HIERARCH ESO ISS PBLA14 END | 48.753 |
| HIERARCH ESO ISS PBL23 START | 58.046 |
| HIERARCH ESO ISS PBL23 END | 58.101 |
| HIERARCH ESO ISS PBLA23 START | 33.6 |
| HIERARCH ESO ISS PBLA23 END | 35.1 |
| HIERARCH ESO ISS PBL24 START | 88.634 |
| HIERARCH ESO ISS PBL24 END | 88.561 |
| HIERARCH ESO ISS PBLA24 START | 9.359 |
| HIERARCH ESO ISS PBLA24 END | 10.456 |
| HIERARCH ESO ISS PBL34 START | 42.967 |
| HIERARCH ESO ISS PBL34 END | 43.18 |
| HIERARCH ESO ISS PBLA34 START | 335.609 |
| HIERARCH ESO ISS PBLA34 END | 336.341 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003059 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003154 |
| HIERARCH ESO ISS AMBI TEMP | 14.42 |
| HIERARCH ESO ISS AMBI FWHM START | 1.14 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |