Exposure
- ID
- GRAVI.2021-05-29T04:49:16.299_2
- Header ID
- GRAVI.2021-05-29T04:49:16.299
- Date updated
- 2021-05-29 05:00:15 UTC+0000
- Release date
- 2022-05-29 05:00:15 UTC+0000
- UTC Start
- 2021-05-29 04:49:16.299
- UTC End
- 2021-05-29 04:50:56.299
- MJD Start
- 59363.20088309
- MJD End
- 59363.2020404974
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004111
- Ambient temperature (°C)
- 10.23
- Seeing (arcsec)
- 0.75
Observation
- ID
- 47478
- 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
- 35610
- Name
- IRS16C
- RA
- 266.417114166667
- DEC
- -29.0076492222222
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 | 56.5280 | 56.5330 | 17.6000 | 17.9000 |
| U1-U3 | 102.2220 | 102.2440 | 23.7000 | 24.0000 |
| U1-U4 | 127.9080 | 128.0720 | 51.0720 | 51.4110 |
| U2-U3 | 46.4030 | 46.4240 | 31.1000 | 31.5000 |
| U2-U4 | 86.5560 | 86.7410 | 72.1780 | 72.4970 |
| U3-U4 | 59.8880 | 60.0380 | 102.7620 | 103.0090 |
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 | 59363.20088309 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416817 |
| DEC | -29.00713 |
| 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 | 56.528 |
| HIERARCH ESO ISS PBL12 END | 56.533 |
| HIERARCH ESO ISS PBLA12 START | 17.6 |
| HIERARCH ESO ISS PBLA12 END | 17.9 |
| HIERARCH ESO ISS PBL13 START | 102.222 |
| HIERARCH ESO ISS PBL13 END | 102.244 |
| HIERARCH ESO ISS PBLA13 START | 23.7 |
| HIERARCH ESO ISS PBLA13 END | 24.0 |
| HIERARCH ESO ISS PBL14 START | 127.908 |
| HIERARCH ESO ISS PBL14 END | 128.072 |
| HIERARCH ESO ISS PBLA14 START | 51.072 |
| HIERARCH ESO ISS PBLA14 END | 51.411 |
| HIERARCH ESO ISS PBL23 START | 46.403 |
| HIERARCH ESO ISS PBL23 END | 46.424 |
| HIERARCH ESO ISS PBLA23 START | 31.1 |
| HIERARCH ESO ISS PBLA23 END | 31.5 |
| HIERARCH ESO ISS PBL24 START | 86.556 |
| HIERARCH ESO ISS PBL24 END | 86.741 |
| HIERARCH ESO ISS PBLA24 START | 72.178 |
| HIERARCH ESO ISS PBLA24 END | 72.497 |
| HIERARCH ESO ISS PBL34 START | 59.888 |
| HIERARCH ESO ISS PBL34 END | 60.038 |
| HIERARCH ESO ISS PBLA34 START | 102.762 |
| HIERARCH ESO ISS PBLA34 END | 103.009 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004225 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003997 |
| HIERARCH ESO ISS AMBI TEMP | 10.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1074 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5372 |