Exposure
- ID
- GRAVI.2022-06-20T01:19:52.223_2
- Header ID
- GRAVI.2022-06-20T01:19:52.223
- Date updated
- 2022-06-20 13:25:42 UTC+0000
- Release date
- 2023-06-20 13:25:42 UTC+0000
- UTC Start
- 2022-06-20 01:19:52.223
- UTC End
- 2022-06-20 01:25:12.223
- MJD Start
- 59750.05546554
- MJD End
- 59750.0591692437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026075
- Ambient temperature (°C)
- 8.94
- Seeing (arcsec)
- 0.665
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2280 | 56.2290 | 0.3000 | 1.1000 |
| U1-U3 | 100.7090 | 100.7480 | 5.0000 | 5.9000 |
| U1-U4 | 114.6600 | 115.2980 | 28.1680 | 29.4360 |
| U2-U3 | 44.9070 | 44.9600 | 10.9000 | 11.9000 |
| U2-U4 | 70.0540 | 70.9790 | 50.1880 | 51.4890 |
| U3-U4 | 45.3300 | 46.2510 | 89.0510 | 89.7520 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.05546554 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416797 |
| DEC | -29.00705 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 0.3 |
| HIERARCH ESO ISS PBLA12 END | 1.1 |
| HIERARCH ESO ISS PBL13 START | 100.709 |
| HIERARCH ESO ISS PBL13 END | 100.748 |
| HIERARCH ESO ISS PBLA13 START | 5.0 |
| HIERARCH ESO ISS PBLA13 END | 5.9 |
| HIERARCH ESO ISS PBL14 START | 114.66 |
| HIERARCH ESO ISS PBL14 END | 115.298 |
| HIERARCH ESO ISS PBLA14 START | 28.168 |
| HIERARCH ESO ISS PBLA14 END | 29.436 |
| HIERARCH ESO ISS PBL23 START | 44.907 |
| HIERARCH ESO ISS PBL23 END | 44.96 |
| HIERARCH ESO ISS PBLA23 START | 10.9 |
| HIERARCH ESO ISS PBLA23 END | 11.9 |
| HIERARCH ESO ISS PBL24 START | 70.054 |
| HIERARCH ESO ISS PBL24 END | 70.979 |
| HIERARCH ESO ISS PBLA24 START | 50.188 |
| HIERARCH ESO ISS PBLA24 END | 51.489 |
| HIERARCH ESO ISS PBL34 START | 45.33 |
| HIERARCH ESO ISS PBL34 END | 46.251 |
| HIERARCH ESO ISS PBLA34 START | 89.051 |
| HIERARCH ESO ISS PBLA34 END | 89.752 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002591 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002624 |
| HIERARCH ESO ISS AMBI TEMP | 8.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |