Exposure
- ID
- GRAVI.2021-05-23T03:33:03.009_2
- Header ID
- GRAVI.2021-05-23T03:33:03.009
- Date updated
- 2021-05-23 03:40:46 UTC+0000
- Release date
- 2022-05-23 03:40:46 UTC+0000
- UTC Start
- 2021-05-23 03:33:03.009
- UTC End
- 2021-05-23 03:34:43.009
- MJD Start
- 59357.14795149
- MJD End
- 59357.1491088974
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00699
- Ambient temperature (°C)
- 12.07
- Seeing (arcsec)
- 0.345
Observation
- ID
- 47445
- 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
- 35483
- Name
- IRS16NW
- RA
- 266.4168625
- DEC
- -29.0074847222222
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 | 56.2480 | 56.2510 | 3.8000 | 4.2000 |
| U1-U3 | 100.9120 | 100.9360 | 8.9000 | 9.3000 |
| U1-U4 | 117.4450 | 117.7180 | 33.4110 | 33.8900 |
| U2-U3 | 45.1590 | 45.1870 | 15.2000 | 15.6000 |
| U2-U4 | 73.9480 | 74.3110 | 55.4730 | 55.9440 |
| U3-U4 | 49.0960 | 49.4340 | 91.9460 | 92.2110 |
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 | 59357.14795149 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16C |
| RA | 266.416894 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.248 |
| HIERARCH ESO ISS PBL12 END | 56.251 |
| HIERARCH ESO ISS PBLA12 START | 3.8 |
| HIERARCH ESO ISS PBLA12 END | 4.2 |
| HIERARCH ESO ISS PBL13 START | 100.912 |
| HIERARCH ESO ISS PBL13 END | 100.936 |
| HIERARCH ESO ISS PBLA13 START | 8.9 |
| HIERARCH ESO ISS PBLA13 END | 9.3 |
| HIERARCH ESO ISS PBL14 START | 117.445 |
| HIERARCH ESO ISS PBL14 END | 117.718 |
| HIERARCH ESO ISS PBLA14 START | 33.411 |
| HIERARCH ESO ISS PBLA14 END | 33.89 |
| HIERARCH ESO ISS PBL23 START | 45.159 |
| HIERARCH ESO ISS PBL23 END | 45.187 |
| HIERARCH ESO ISS PBLA23 START | 15.2 |
| HIERARCH ESO ISS PBLA23 END | 15.6 |
| HIERARCH ESO ISS PBL24 START | 73.948 |
| HIERARCH ESO ISS PBL24 END | 74.311 |
| HIERARCH ESO ISS PBLA24 START | 55.473 |
| HIERARCH ESO ISS PBLA24 END | 55.944 |
| HIERARCH ESO ISS PBL34 START | 49.096 |
| HIERARCH ESO ISS PBL34 END | 49.434 |
| HIERARCH ESO ISS PBLA34 START | 91.946 |
| HIERARCH ESO ISS PBLA34 END | 92.211 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007225 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006755 |
| HIERARCH ESO ISS AMBI TEMP | 12.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.047 |
| HIERARCH ESO FT ROBJ DELTA | -290026.945 |