Exposure
- ID
- GRAVI.2021-06-25T01:25:20.980_2
- Header ID
- GRAVI.2021-06-25T01:25:20.980
- Date updated
- 2021-06-25 01:40:27 UTC+0000
- Release date
- 2022-06-25 01:40:27 UTC+0000
- UTC Start
- 2021-06-25 01:25:20.980
- UTC End
- 2021-06-25 01:30:40.980
- MJD Start
- 59390.0592706
- MJD End
- 59390.0629743037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00456
- Ambient temperature (°C)
- 10.53
- Seeing (arcsec)
- 0.65
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 | 56.2510 | 56.2610 | 4.1000 | 4.9000 |
| U1-U3 | 100.9330 | 100.9970 | 9.2000 | 10.1000 |
| U1-U4 | 117.6870 | 118.3660 | 33.8350 | 35.0110 |
| U2-U3 | 45.1840 | 45.2530 | 15.6000 | 16.6000 |
| U2-U4 | 74.2700 | 75.1650 | 55.8890 | 57.0400 |
| U3-U4 | 49.3950 | 50.2190 | 92.1800 | 92.8330 |
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 | 59390.0592706 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.251 |
| HIERARCH ESO ISS PBL12 END | 56.261 |
| HIERARCH ESO ISS PBLA12 START | 4.1 |
| HIERARCH ESO ISS PBLA12 END | 4.9 |
| HIERARCH ESO ISS PBL13 START | 100.933 |
| HIERARCH ESO ISS PBL13 END | 100.997 |
| HIERARCH ESO ISS PBLA13 START | 9.2 |
| HIERARCH ESO ISS PBLA13 END | 10.1 |
| HIERARCH ESO ISS PBL14 START | 117.687 |
| HIERARCH ESO ISS PBL14 END | 118.366 |
| HIERARCH ESO ISS PBLA14 START | 33.835 |
| HIERARCH ESO ISS PBLA14 END | 35.011 |
| HIERARCH ESO ISS PBL23 START | 45.184 |
| HIERARCH ESO ISS PBL23 END | 45.253 |
| HIERARCH ESO ISS PBLA23 START | 15.6 |
| HIERARCH ESO ISS PBLA23 END | 16.6 |
| HIERARCH ESO ISS PBL24 START | 74.27 |
| HIERARCH ESO ISS PBL24 END | 75.165 |
| HIERARCH ESO ISS PBLA24 START | 55.889 |
| HIERARCH ESO ISS PBLA24 END | 57.04 |
| HIERARCH ESO ISS PBL34 START | 49.395 |
| HIERARCH ESO ISS PBL34 END | 50.219 |
| HIERARCH ESO ISS PBLA34 START | 92.18 |
| HIERARCH ESO ISS PBLA34 END | 92.833 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004831 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004289 |
| HIERARCH ESO ISS AMBI TEMP | 10.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |