ToO Information

Request ID: 37293
Request Type: NEW
ToO Urgency: WITHIN A WEEK
Proposal ID:

Target Info

Target Name: MRK 817
Target No.: 5184
Category: ACTIVE GALAXIES AND QUASARS
Coordinates[J2000]: (219.09201, 58.79428)
Exp (ks): 48
Extended: N

Extent Size:

Background Restriction: N

Remarks:

Constraint Details

Monitor: Y

Criteria: Observations are requested to be performed approximately every other day from November 23, 2020 to February 28, 2021. This is the same cadence as HST, though the exact scheduling is not important and it does NOT need to be scheduled to be simultaneous with HST.

Phase Dependent: N

Epoch:
Period:
Min:
Max:
Remarks:

Specific Time: Y

Start: 2020-11-23 00:00 UTC
End: 2021-02-28 00:00 UTC
Remarks: HST monitoring begins on November 23 and continues for approximately 1 year. We are only requesting observations before the beginning of NICER Cycle 3.

ToO: Y
Coordinate Observation: Y

Observatory: HST
Description:

Uninterrupted: N

Justification:

Estimated Count Rate (cts s-1): 12.000

Requester Information

Name: DR. EDWARD M CACKETT

Status

Request Date (UTC): 2020-11-03 20:58:18
Disposition: Accepted

Date:
Reason:
Person:

Status: Complete

Date:
Person:

Misc

Note: 1 ks every other day starting Nov 23 through the end of Cycle 2 to bridge to a possible Cycle 3 program. Link for HST times: https://www.stsci.edu/ftp/observer/weekly_timeline/

Target Details

Nearest Target No:
Nearest Taget Name:
Separation (arcmin):
Nearby Target (<3.0'):
Referenced Target Catalogue:
Sun Angle: No Data

Planned Observations

AGS6 Reference:
Planned Snapshots:

Observation Start	Observation End	Span	Mode	Observation ID
(YYYY-DDDTHH:MM:SS)	(YYYY-DDDTHH:MM:SS)	(seconds)	Man/Opt

Visibility

AGS3 Reference:
Visibility Report:

Target Name	Target ID	Visibility Start	Visibility End	Span	Initial	Final	Relative
		(YYYY-DDDTHH:MM:SS)	(YYYY-DDDTHH:MM:SS)	(seconds)	Interference	Interference	Orbits