Exposure
- ID
- GRAVI.2022-05-23T03:38:39.225_2
- Header ID
- GRAVI.2022-05-23T03:38:39.225
- Date updated
- 2022-05-23 03:55:53 UTC+0000
- Release date
- 2023-05-23 03:55:52 UTC+0000
- UTC Start
- 2022-05-23 03:38:39.225
- UTC End
- 2022-05-23 03:43:59.225
- MJD Start
- 59722.15184288
- MJD End
- 59722.1555465837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006267
- Ambient temperature (°C)
- 11.25
- Seeing (arcsec)
- 0.565
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.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/ 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 | 56.2550 | 56.2660 | 4.5000 | 5.3000 |
| U1-U3 | 100.9610 | 101.0270 | 9.6000 | 10.5000 |
| U1-U4 | 117.9900 | 118.6720 | 34.3620 | 35.5320 |
| U2-U3 | 45.2140 | 45.2850 | 16.0000 | 17.0000 |
| U2-U4 | 74.6710 | 75.5630 | 56.4060 | 57.5460 |
| U3-U4 | 49.7650 | 50.5800 | 92.4720 | 93.1240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59722.15184288 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.255 |
| HIERARCH ESO ISS PBL12 END | 56.266 |
| HIERARCH ESO ISS PBLA12 START | 4.5 |
| HIERARCH ESO ISS PBLA12 END | 5.3 |
| HIERARCH ESO ISS PBL13 START | 100.961 |
| HIERARCH ESO ISS PBL13 END | 101.027 |
| HIERARCH ESO ISS PBLA13 START | 9.6 |
| HIERARCH ESO ISS PBLA13 END | 10.5 |
| HIERARCH ESO ISS PBL14 START | 117.99 |
| HIERARCH ESO ISS PBL14 END | 118.672 |
| HIERARCH ESO ISS PBLA14 START | 34.362 |
| HIERARCH ESO ISS PBLA14 END | 35.532 |
| HIERARCH ESO ISS PBL23 START | 45.214 |
| HIERARCH ESO ISS PBL23 END | 45.285 |
| HIERARCH ESO ISS PBLA23 START | 16.0 |
| HIERARCH ESO ISS PBLA23 END | 17.0 |
| HIERARCH ESO ISS PBL24 START | 74.671 |
| HIERARCH ESO ISS PBL24 END | 75.563 |
| HIERARCH ESO ISS PBLA24 START | 56.406 |
| HIERARCH ESO ISS PBLA24 END | 57.546 |
| HIERARCH ESO ISS PBL34 START | 49.765 |
| HIERARCH ESO ISS PBL34 END | 50.58 |
| HIERARCH ESO ISS PBLA34 START | 92.472 |
| HIERARCH ESO ISS PBLA34 END | 93.124 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005832 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006702 |
| HIERARCH ESO ISS AMBI TEMP | 11.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |