Exposure
- ID
- GRAVI.2023-06-03T08:12:27.946_2
- Header ID
- GRAVI.2023-06-03T08:12:27.946
- Date updated
- 2023-06-03 08:31:09 UTC+0000
- Release date
- 2024-06-03 08:31:08 UTC+0000
- UTC Start
- 2023-06-03 08:12:27.946
- UTC End
- 2023-06-03 08:18:27.946
- MJD Start
- 60098.34199012
- MJD End
- 60098.3461567867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003105
- Ambient temperature (°C)
- 13.19
- Seeing (arcsec)
- 0.435
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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 | 52.5560 | 52.2250 | 38.3000 | 38.6000 |
| U1-U3 | 93.3030 | 92.5460 | 44.6000 | 44.9000 |
| U1-U4 | 109.8200 | 108.0960 | 75.2070 | 75.7670 |
| U2-U3 | 41.4540 | 41.0220 | 52.5000 | 52.8000 |
| U2-U4 | 74.7730 | 73.5460 | 100.1640 | 101.1360 |
| U3-U4 | 56.0040 | 55.4970 | 133.3490 | 134.6450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60098.34199012 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416794 |
| DEC | -29.00721 |
| 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 | 52.556 |
| HIERARCH ESO ISS PBL12 END | 52.225 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.303 |
| HIERARCH ESO ISS PBL13 END | 92.546 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.9 |
| HIERARCH ESO ISS PBL14 START | 109.82 |
| HIERARCH ESO ISS PBL14 END | 108.096 |
| HIERARCH ESO ISS PBLA14 START | 75.207 |
| HIERARCH ESO ISS PBLA14 END | 75.767 |
| HIERARCH ESO ISS PBL23 START | 41.454 |
| HIERARCH ESO ISS PBL23 END | 41.022 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.773 |
| HIERARCH ESO ISS PBL24 END | 73.546 |
| HIERARCH ESO ISS PBLA24 START | 100.164 |
| HIERARCH ESO ISS PBLA24 END | 101.136 |
| HIERARCH ESO ISS PBL34 START | 56.004 |
| HIERARCH ESO ISS PBL34 END | 55.497 |
| HIERARCH ESO ISS PBLA34 START | 133.349 |
| HIERARCH ESO ISS PBLA34 END | 134.645 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002581 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003629 |
| HIERARCH ESO ISS AMBI TEMP | 13.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |