Exposure
- ID
- GRAVI.2023-07-04T05:07:55.093_2
- Header ID
- GRAVI.2023-07-04T05:07:55.093
- Date updated
- 2023-07-04 05:21:15 UTC+0000
- Release date
- 2024-07-04 05:21:15 UTC+0000
- UTC Start
- 2023-07-04 05:07:55.093
- UTC End
- 2023-07-04 05:13:55.093
- MJD Start
- 60129.2138321
- MJD End
- 60129.2179987667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003966
- Ambient temperature (°C)
- 11.99
- Seeing (arcsec)
- 0.89
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 | 54.9890 | 54.7970 | 34.2000 | 34.7000 |
| U1-U3 | 98.9170 | 98.4710 | 40.5000 | 41.0000 |
| U1-U4 | 122.8190 | 121.7760 | 69.5760 | 70.1880 |
| U2-U3 | 44.6820 | 44.4250 | 48.4000 | 48.9000 |
| U2-U4 | 84.2440 | 83.4730 | 91.7880 | 92.5980 |
| U3-U4 | 60.2170 | 59.8570 | 122.4550 | 123.4680 |
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 | 60129.2138321 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| DEC | -29.0073 |
| 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 | 54.989 |
| HIERARCH ESO ISS PBL12 END | 54.797 |
| HIERARCH ESO ISS PBLA12 START | 34.2 |
| HIERARCH ESO ISS PBLA12 END | 34.7 |
| HIERARCH ESO ISS PBL13 START | 98.917 |
| HIERARCH ESO ISS PBL13 END | 98.471 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.819 |
| HIERARCH ESO ISS PBL14 END | 121.776 |
| HIERARCH ESO ISS PBLA14 START | 69.576 |
| HIERARCH ESO ISS PBLA14 END | 70.188 |
| HIERARCH ESO ISS PBL23 START | 44.682 |
| HIERARCH ESO ISS PBL23 END | 44.425 |
| HIERARCH ESO ISS PBLA23 START | 48.4 |
| HIERARCH ESO ISS PBLA23 END | 48.9 |
| HIERARCH ESO ISS PBL24 START | 84.244 |
| HIERARCH ESO ISS PBL24 END | 83.473 |
| HIERARCH ESO ISS PBLA24 START | 91.788 |
| HIERARCH ESO ISS PBLA24 END | 92.598 |
| HIERARCH ESO ISS PBL34 START | 60.217 |
| HIERARCH ESO ISS PBL34 END | 59.857 |
| HIERARCH ESO ISS PBLA34 START | 122.455 |
| HIERARCH ESO ISS PBLA34 END | 123.468 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003823 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004109 |
| HIERARCH ESO ISS AMBI TEMP | 11.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |