Exposure
- ID
- GRAVI.2023-07-06T05:06:53.099_2
- Header ID
- GRAVI.2023-07-06T05:06:53.099
- Date updated
- 2023-07-06 05:20:42 UTC+0000
- Release date
- 2024-07-06 05:20:41 UTC+0000
- UTC Start
- 2023-07-06 05:06:53.099
- UTC End
- 2023-07-06 05:12:53.099
- MJD Start
- 60131.21311457
- MJD End
- 60131.2172812367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004803
- Ambient temperature (°C)
- 12.89
- Seeing (arcsec)
- 0.71
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 | 54.7870 | 54.5820 | 34.7000 | 35.2000 |
| U1-U3 | 98.4470 | 97.9720 | 41.1000 | 41.5000 |
| U1-U4 | 121.7190 | 120.6070 | 70.2190 | 70.8190 |
| U2-U3 | 44.4110 | 44.1360 | 48.9000 | 49.4000 |
| U2-U4 | 83.4310 | 82.6100 | 92.6400 | 93.4570 |
| U3-U4 | 59.8370 | 59.4570 | 123.5210 | 124.5540 |
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 | 60131.21311457 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| DEC | -29.00711 |
| 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 | 54.787 |
| HIERARCH ESO ISS PBL12 END | 54.582 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.447 |
| HIERARCH ESO ISS PBL13 END | 97.972 |
| HIERARCH ESO ISS PBLA13 START | 41.1 |
| HIERARCH ESO ISS PBLA13 END | 41.5 |
| HIERARCH ESO ISS PBL14 START | 121.719 |
| HIERARCH ESO ISS PBL14 END | 120.607 |
| HIERARCH ESO ISS PBLA14 START | 70.219 |
| HIERARCH ESO ISS PBLA14 END | 70.819 |
| HIERARCH ESO ISS PBL23 START | 44.411 |
| HIERARCH ESO ISS PBL23 END | 44.136 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 49.4 |
| HIERARCH ESO ISS PBL24 START | 83.431 |
| HIERARCH ESO ISS PBL24 END | 82.61 |
| HIERARCH ESO ISS PBLA24 START | 92.64 |
| HIERARCH ESO ISS PBLA24 END | 93.457 |
| HIERARCH ESO ISS PBL34 START | 59.837 |
| HIERARCH ESO ISS PBL34 END | 59.457 |
| HIERARCH ESO ISS PBLA34 START | 123.521 |
| HIERARCH ESO ISS PBLA34 END | 124.554 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004282 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005324 |
| HIERARCH ESO ISS AMBI TEMP | 12.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |