Exposure
- ID
- GRAVI.2021-05-30T04:31:05.184_2
- Header ID
- GRAVI.2021-05-30T04:31:05.184
- Date updated
- 2021-05-30 04:45:15 UTC+0000
- Release date
- 2022-05-30 04:45:15 UTC+0000
- UTC Start
- 2021-05-30 04:31:05.184
- UTC End
- 2021-05-30 04:36:25.184
- MJD Start
- 59364.18825444
- MJD End
- 59364.1919581437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043705
- Ambient temperature (°C)
- 9.89
- Seeing (arcsec)
- 0.76
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.4920 | 56.5070 | 15.8000 | 16.5000 |
| U1-U3 | 102.0600 | 102.1290 | 21.8000 | 22.5000 |
| U1-U4 | 126.7770 | 127.2540 | 48.9130 | 49.7950 |
| U2-U3 | 46.2560 | 46.3180 | 29.1000 | 29.9000 |
| U2-U4 | 85.2790 | 85.8180 | 70.1560 | 70.9810 |
| U3-U4 | 58.8540 | 59.2910 | 101.2430 | 101.8530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.18825444 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| 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 | 56.492 |
| HIERARCH ESO ISS PBL12 END | 56.507 |
| HIERARCH ESO ISS PBLA12 START | 15.8 |
| HIERARCH ESO ISS PBLA12 END | 16.5 |
| HIERARCH ESO ISS PBL13 START | 102.06 |
| HIERARCH ESO ISS PBL13 END | 102.129 |
| HIERARCH ESO ISS PBLA13 START | 21.8 |
| HIERARCH ESO ISS PBLA13 END | 22.5 |
| HIERARCH ESO ISS PBL14 START | 126.777 |
| HIERARCH ESO ISS PBL14 END | 127.254 |
| HIERARCH ESO ISS PBLA14 START | 48.913 |
| HIERARCH ESO ISS PBLA14 END | 49.795 |
| HIERARCH ESO ISS PBL23 START | 46.256 |
| HIERARCH ESO ISS PBL23 END | 46.318 |
| HIERARCH ESO ISS PBLA23 START | 29.1 |
| HIERARCH ESO ISS PBLA23 END | 29.9 |
| HIERARCH ESO ISS PBL24 START | 85.279 |
| HIERARCH ESO ISS PBL24 END | 85.818 |
| HIERARCH ESO ISS PBLA24 START | 70.156 |
| HIERARCH ESO ISS PBLA24 END | 70.981 |
| HIERARCH ESO ISS PBL34 START | 58.854 |
| HIERARCH ESO ISS PBL34 END | 59.291 |
| HIERARCH ESO ISS PBLA34 START | 101.243 |
| HIERARCH ESO ISS PBLA34 END | 101.853 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004274 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004467 |
| HIERARCH ESO ISS AMBI TEMP | 9.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |