Exposure
- ID
- GRAVI.2023-07-06T05:57:56.237_2
- Header ID
- GRAVI.2023-07-06T05:57:56.237
- Date updated
- 2023-07-06 06:15:38 UTC+0000
- Release date
- 2024-07-06 06:15:38 UTC+0000
- UTC Start
- 2023-07-06 05:57:56.237
- UTC End
- 2023-07-06 06:03:56.237
- MJD Start
- 60131.24856756
- MJD End
- 60131.2527342267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053095
- Ambient temperature (°C)
- 12.66
- Seeing (arcsec)
- 0.79
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.7910 | 52.4740 | 38.0000 | 38.4000 |
| U1-U3 | 93.8400 | 93.1150 | 44.3000 | 44.6000 |
| U1-U4 | 111.0480 | 109.3910 | 74.7920 | 75.3490 |
| U2-U3 | 41.7620 | 41.3470 | 52.2000 | 52.6000 |
| U2-U4 | 75.6510 | 74.4670 | 99.4620 | 100.4070 |
| U3-U4 | 56.3720 | 55.8770 | 132.4140 | 133.6720 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.24856756 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00715 |
| 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 | 52.791 |
| HIERARCH ESO ISS PBL12 END | 52.474 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.4 |
| HIERARCH ESO ISS PBL13 START | 93.84 |
| HIERARCH ESO ISS PBL13 END | 93.115 |
| HIERARCH ESO ISS PBLA13 START | 44.3 |
| HIERARCH ESO ISS PBLA13 END | 44.6 |
| HIERARCH ESO ISS PBL14 START | 111.048 |
| HIERARCH ESO ISS PBL14 END | 109.391 |
| HIERARCH ESO ISS PBLA14 START | 74.792 |
| HIERARCH ESO ISS PBLA14 END | 75.349 |
| HIERARCH ESO ISS PBL23 START | 41.762 |
| HIERARCH ESO ISS PBL23 END | 41.347 |
| HIERARCH ESO ISS PBLA23 START | 52.2 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 75.651 |
| HIERARCH ESO ISS PBL24 END | 74.467 |
| HIERARCH ESO ISS PBLA24 START | 99.462 |
| HIERARCH ESO ISS PBLA24 END | 100.407 |
| HIERARCH ESO ISS PBL34 START | 56.372 |
| HIERARCH ESO ISS PBL34 END | 55.877 |
| HIERARCH ESO ISS PBLA34 START | 132.414 |
| HIERARCH ESO ISS PBLA34 END | 133.672 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005015 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005604 |
| HIERARCH ESO ISS AMBI TEMP | 12.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |