Exposure
- ID
- GRAVI.2023-08-30T23:35:41.278_1
- Header ID
- GRAVI.2023-08-30T23:35:41.278
- Date updated
- 2023-08-30 23:51:03 UTC+0000
- Release date
- 2023-08-30 23:35:41 UTC+0000
- UTC Start
- 2023-08-30 23:35:41.278
- UTC End
- 2023-08-30 23:41:41.278
- MJD Start
- 60186.98311664
- MJD End
- 60186.98728330667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035645
- Ambient temperature (°C)
- 14.31
- Seeing (arcsec)
- 0.815
Observation
- ID
- 56821
- Category
- calibrator
- Program ID
- 111.24H1.005
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 42110
- Name
- R2
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5130 | 56.4870 | 24.2000 | 24.9000 |
| U1-U3 | 102.3890 | 102.3420 | 30.5000 | 31.2000 |
| U1-U4 | 130.1840 | 130.2100 | 58.3720 | 59.1710 |
| U2-U3 | 46.6350 | 46.6170 | 38.1000 | 38.9000 |
| U2-U4 | 89.2970 | 89.3890 | 79.2190 | 80.0210 |
| U3-U4 | 62.2180 | 62.3330 | 108.7290 | 109.4840 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60186.98311664 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41685 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.513 |
| HIERARCH ESO ISS PBL12 END | 56.487 |
| HIERARCH ESO ISS PBLA12 START | 24.2 |
| HIERARCH ESO ISS PBLA12 END | 24.9 |
| HIERARCH ESO ISS PBL13 START | 102.389 |
| HIERARCH ESO ISS PBL13 END | 102.342 |
| HIERARCH ESO ISS PBLA13 START | 30.5 |
| HIERARCH ESO ISS PBLA13 END | 31.2 |
| HIERARCH ESO ISS PBL14 START | 130.184 |
| HIERARCH ESO ISS PBL14 END | 130.21 |
| HIERARCH ESO ISS PBLA14 START | 58.372 |
| HIERARCH ESO ISS PBLA14 END | 59.171 |
| HIERARCH ESO ISS PBL23 START | 46.635 |
| HIERARCH ESO ISS PBL23 END | 46.617 |
| HIERARCH ESO ISS PBLA23 START | 38.1 |
| HIERARCH ESO ISS PBLA23 END | 38.9 |
| HIERARCH ESO ISS PBL24 START | 89.297 |
| HIERARCH ESO ISS PBL24 END | 89.389 |
| HIERARCH ESO ISS PBLA24 START | 79.219 |
| HIERARCH ESO ISS PBLA24 END | 80.021 |
| HIERARCH ESO ISS PBL34 START | 62.218 |
| HIERARCH ESO ISS PBL34 END | 62.333 |
| HIERARCH ESO ISS PBLA34 START | 108.729 |
| HIERARCH ESO ISS PBLA34 END | 109.484 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003109 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00402 |
| HIERARCH ESO ISS AMBI TEMP | 14.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |