Exposure
- ID
- GRAVI.2022-05-20T04:04:35.487_2
- Header ID
- GRAVI.2022-05-20T04:04:35.487
- Date updated
- 2022-05-20 04:15:49 UTC+0000
- Release date
- 2023-05-20 04:15:49 UTC+0000
- UTC Start
- 2022-05-20 04:04:35.487
- UTC End
- 2022-05-20 04:06:15.487
- MJD Start
- 59719.16985517
- MJD End
- 59719.1710125774
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078255
- Ambient temperature (°C)
- 13.13
- Seeing (arcsec)
- 0.44
Observation
- ID
- 50943
- 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
- 37994
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076472222222
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 | 56.2850 | 56.2900 | 6.5000 | 6.8000 |
| U1-U3 | 101.1310 | 101.1600 | 11.9000 | 12.2000 |
| U1-U4 | 119.6730 | 119.9440 | 37.2080 | 37.6560 |
| U2-U3 | 45.3920 | 45.4220 | 18.5000 | 18.9000 |
| U2-U4 | 76.8440 | 77.1870 | 59.1620 | 59.5910 |
| U3-U4 | 51.7310 | 52.0360 | 94.0650 | 94.3190 |
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 | 59719.16985517 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.285 |
| HIERARCH ESO ISS PBL12 END | 56.29 |
| HIERARCH ESO ISS PBLA12 START | 6.5 |
| HIERARCH ESO ISS PBLA12 END | 6.8 |
| HIERARCH ESO ISS PBL13 START | 101.131 |
| HIERARCH ESO ISS PBL13 END | 101.16 |
| HIERARCH ESO ISS PBLA13 START | 11.9 |
| HIERARCH ESO ISS PBLA13 END | 12.2 |
| HIERARCH ESO ISS PBL14 START | 119.673 |
| HIERARCH ESO ISS PBL14 END | 119.944 |
| HIERARCH ESO ISS PBLA14 START | 37.208 |
| HIERARCH ESO ISS PBLA14 END | 37.656 |
| HIERARCH ESO ISS PBL23 START | 45.392 |
| HIERARCH ESO ISS PBL23 END | 45.422 |
| HIERARCH ESO ISS PBLA23 START | 18.5 |
| HIERARCH ESO ISS PBLA23 END | 18.9 |
| HIERARCH ESO ISS PBL24 START | 76.844 |
| HIERARCH ESO ISS PBL24 END | 77.187 |
| HIERARCH ESO ISS PBLA24 START | 59.162 |
| HIERARCH ESO ISS PBLA24 END | 59.591 |
| HIERARCH ESO ISS PBL34 START | 51.731 |
| HIERARCH ESO ISS PBL34 END | 52.036 |
| HIERARCH ESO ISS PBLA34 START | 94.065 |
| HIERARCH ESO ISS PBLA34 END | 94.319 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006902 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008749 |
| HIERARCH ESO ISS AMBI TEMP | 13.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.107 |
| HIERARCH ESO FT ROBJ DELTA | -290027.530 |