Exposure
- ID
- GRAVI.2021-06-26T05:11:32.220_2
- Header ID
- GRAVI.2021-06-26T05:11:32.220
- Date updated
- 2021-06-26 05:25:14 UTC+0000
- Release date
- 2022-06-26 05:25:14 UTC+0000
- UTC Start
- 2021-06-26 05:11:32.220
- UTC End
- 2021-06-26 05:16:52.220
- MJD Start
- 59391.21634514
- MJD End
- 59391.2200488437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003691
- Ambient temperature (°C)
- 8.3
- Seeing (arcsec)
- 0.47
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 55.6230 | 55.4990 | 32.0000 | 32.5000 |
| U1-U3 | 100.3920 | 100.1030 | 38.4000 | 38.9000 |
| U1-U4 | 126.2630 | 125.5930 | 67.0650 | 67.6350 |
| U2-U3 | 45.5340 | 45.3680 | 46.2000 | 46.7000 |
| U2-U4 | 86.7900 | 86.2970 | 88.6410 | 89.3320 |
| U3-U4 | 61.4110 | 61.1800 | 118.6510 | 119.4680 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59391.21634514 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417075 |
| DEC | -29.00734 |
| 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 | 55.623 |
| HIERARCH ESO ISS PBL12 END | 55.499 |
| HIERARCH ESO ISS PBLA12 START | 32.0 |
| HIERARCH ESO ISS PBLA12 END | 32.5 |
| HIERARCH ESO ISS PBL13 START | 100.392 |
| HIERARCH ESO ISS PBL13 END | 100.103 |
| HIERARCH ESO ISS PBLA13 START | 38.4 |
| HIERARCH ESO ISS PBLA13 END | 38.9 |
| HIERARCH ESO ISS PBL14 START | 126.263 |
| HIERARCH ESO ISS PBL14 END | 125.593 |
| HIERARCH ESO ISS PBLA14 START | 67.065 |
| HIERARCH ESO ISS PBLA14 END | 67.635 |
| HIERARCH ESO ISS PBL23 START | 45.534 |
| HIERARCH ESO ISS PBL23 END | 45.368 |
| HIERARCH ESO ISS PBLA23 START | 46.2 |
| HIERARCH ESO ISS PBLA23 END | 46.7 |
| HIERARCH ESO ISS PBL24 START | 86.79 |
| HIERARCH ESO ISS PBL24 END | 86.297 |
| HIERARCH ESO ISS PBLA24 START | 88.641 |
| HIERARCH ESO ISS PBLA24 END | 89.332 |
| HIERARCH ESO ISS PBL34 START | 61.411 |
| HIERARCH ESO ISS PBL34 END | 61.18 |
| HIERARCH ESO ISS PBLA34 START | 118.651 |
| HIERARCH ESO ISS PBLA34 END | 119.468 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003678 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003704 |
| HIERARCH ESO ISS AMBI TEMP | 8.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |